From my perspective it's usually because the people talking use language such that it appears (to me at least) as though they think they can actually prompt change in WotC's methodology going forward... rather than just speaking from the perspective of ideas making for good house rules for their own game.
If someone says "The game needs to be X" but doesn't follow up with "And here is what I'm going to do for myself to make it X in my game"... I find the only natural response at the end of the conversation is "Okay, well, the game isn't X, but I understand what you want." It's when people say "Here are a bunch of things I believe about the game and thus I am going to incorporate those ideas into my own personal game" that my response changes to "Okay, cool. Let us know how it works out!"