So, in here, there's a really interesting question:
What is the purpose of critique?
This can be answered in a broad, general sense, or in a specific sense - if you are here, on this site, giving a critique - what is the purpose of that communication?
So I think it's pretty obvious that I'm done with the thread and the topic of RPG theory - it's like the old saw about why people keep hitting their heads against walls; because it feels so good when you stop!
But since you replied to me, this is what my thoughts are...
As a general rule,
critique (and criticism) is incredibly context-dependent in a broad, general sense. Intuitively, most of us understand this. To make this more clear, I would use some examples-
A. A teacher who is grading a paper and providing useful feedback should provide a searching critique- after all, the purpose of the critique is to help the student get better (constructive criticism).
B. A reviewer (a food critic, a book critic, a movie critic) is usually providing a mix of a both subjective observations (this is how the reviewer feels about the book, this is what the reviewer thinks the food tastes like) along with attempts to place the critique within a more objective framework (how is this restaurant compared to similar priced eateries; is this movie an 'art house' movie or a 'genre' movie, and what is it being compared to; despite the reviewer's personal preferences, how is the average reader likely to react to the book?). The mix of personal impressions with more objective impressions is tricky, and some people prefer the more personal (The New Yorker style of movie review being the standard example, or the literary takedown book review) and some prefer attempts at more removed, "this is what the average person" will think reviews.
C. An academic discussion of a work will differ from the discussion you have with you friends. If you're writing an academic paper on, for example, the nature of free will and Clockwork Orange (the book), it will be a much more narrowed and focused conversation than if you have just watched the movie and are talking about it afterwards with friends, when you are likely to just be hitting big broad themes that you might have noticed.
D. Finally, and most importantly, critique is incredibly socially-dependent. It's great for some people to say that they have honest and tough conversations with everybody- but most people call those types of people jerks. If you have friends that are looking for feedback (let alone your significant other, partner, etc.), you know that there are times you lean heavily on the constructive and affirming, and not so much on the criticism. Importantly, it's also socially relevant as to when critique is solicited and accepted.
That's from a broad perspective.
So, what about here? What about on enworld? I would say that there are a few primary issues:
1. On the internet, no one knows you are a dog. Not only do you not know the person you are talking to, you don't know their full experience, their full issues, or what type of table(s) they have. Your critique will likely be incorrect since you can't possibly understand all of the issues from a short post.
2. The format of Internet forums lends itself to unresolved argument, not friendly critique. Ideally, there would be some attempt at THESIS::ANTITHESIS::SYNTHESIS, but .... naw. This is the internet, someone is wrong, and you can't tell me what to do!
3. Building on 1 and 2, the social issues related to critique that are present in real life are gone when it comes to the internet in general and to forums like enworld. It's so weird to me- if you were at a gathering at someone's house, and someone said, "Yeah, I hear what you're saying, but I disagree. Let's talk about something else," you'd be able to take the cue. You wouldn't follow them around the party arguing for the next three hours.
4. Finally, these are games. About unicorns and spaceships and giant space hamsters. It's supposed to be fun. Discussions about it are supposed to be fun! Most people come here to have fun discussions about fun things. If it's not fun, if it's only about critique, or correction, or whatever, then maybe you've forgotten that many people here enjoy having fun. This doesn't mean you can't have serious conversation (or even critiques), but maybe don't take them too seriously.
IMO, YMMV, etc.
EDIT- I would add that the best statement regarding it was from the academic work I quoted earlier-
We see here at work some motives for RPG theorizing we identified: the joy of intellectual argument (and connecting over it); the desire to help design and play ‘better’ (implying particular normative ideas about what ‘good’ means); and the jockeying for social status and recognition within one’s community. Finally, fourth, we see the almost-eternal return of debates and points made previously, due to the ephemeral nature and fragmented structure of RPG theorizing.
In other words, we see critique on EnWorld because-
a. People enjoy intellectual argument.
b. People want to help other people design and play "better" (which has its own problems ....).
c. People are jockeying for social status within their own community on enworld (ahem).
d. People are debating the same points made over and over and over again, not just here, but have been made for decades.