Denny, ThreePutt, and Peter are making really good points.
I agree with what Avery is saying, though while I feel there may be a better way to go about saying it. Most of the people who think Avery is just an ass are the same people who want disc golf to stay in stasis, what those don't realize though is that communities either grow or die, they don't stay in static equilibrium without sacrificing longevity. If people are happy with the status quo - which in an overall picture is GARBAGE for a sport we're supposed to be taking seriously then they unknowingly have sentenced our sport to death.
Avery is a friend of mine so I'll admit I'm not without bias here, but people seem to forget that he's been playing this game for about as long as Climo, Schultz, etc. He's not some 20-year old who's played for 2 years spouting this stuff, he grew up with the sport and has seen its evolution since the 80's and has made the decision to push for better - which should not be a point of ostrcization but a rallying point. If we all put forth the effort we can make take this sport to the next level, from the smallest things such as packing trash and picking up cigarette butts to the pros taking a hard stance and demanding that a NT event and State Championship not be just the weekly league with guest appearances by sponsored pros.