1. Because you seek me for advice.
2. BMX'ers rock. The only ones who rock harder are urban BMX'ers.
(don't tell any 20" riders I called them urban BMX'ers...they'll never talk to me again)
3. When you become friends with the BMX'ers and talk them into driving you to the trails.
Can't speak on the attitude of any urban riders, as I haven't exchanged words with any. I definitely like/envy their style more though.
I showed up at the BMX track with my newly acquired 20" bike yesterday when they happened to be working on the track & the first thing I hear is "who the f*** is this guy?" in an unpleasant tone, proving that I'm well within earshot. Then I asked politely if the track was closed & I got completely ignored after asking three times before someone decent came over & talked to me. If they were working & tired/grouchy, I could understand it, but these guys were just sitting on top of a berm while everyone around them was working. The track wasn't closed after all (with the exception of the last straight) but then it occurred to me that I had no brakes & there were a few dozen people working/riding around the track, which might prove to be dangerous. So I left feeling somewhat defeated.
I guess it should be noted that they were all much younger (maybe 15-16?) & I never really got along with the average guy that age, even when I was one of them. But still, I didn't have the same problem with any of the skaters/bikers at the skatepark.
/rant