AbdulAlhazred
Legend
I'm not misremembering, but I don't think there's really a lot of disagreement here. The difference between a 'monster' and an 'npc' is tenuous at best, especially in 4e where there's absolutely no mechanical difference at all. I get the fictional distinction some people were making though.I think you're substantially misremembering on the issue of things PCs couldn't get. As Pedantic points out, there are tons of monster abilities a PC can't get. What a lot of people complained about were NPCs with abilities a PC couldn't get.
As far as complaining about monster stats, there were complaints about monster abilities varying based on meta game concerns (minion status being probably the biggest complaint) rather than some in-world explanation. That's the "what can't be explained" argument I remember.
As for minions and such, along with the malleability of interpretation of numbers, that's a little different from what I had in mind, but I agree it was seen in a similar light. I have slightly different responses to that, but it seems mostly off topic anyway.