It's only worth getting involved because I think there's actually some ideas here that are worth spelling out and talking about.
Winer has a nice take of his own :
The way technology works, for those who care about such things: Start with a vision you believe in, and keep trying to find ways to show others how powerful it is. Over and over, often for years.
Sounds right to me.
The silliest thing, ever, is people getting all uptight because Dave is "arrogant".