I understand the viewpoints against centralization.
But let me give you an example of why doing it unorganized is bad.
How many sites have "Iowa Trip" threads/meetups?
I'll bet you can find 10 sites with a Iowa Trip scheduled for June 30th.
Each site having between say (for argument) 5 and 20 people going.
So, instead of having between 50 and 200 supporters, you got 10 teams of 5 or 10 teams of 20, and the very real possibility is that these teams may be around the corner from each other and not even know.
The argument is it leaves this support very much in the arms of 'chance'.