I've signed them both, but with reservations - if the people writing these things want them to be taken seriously they should do at least two things:
1. Get their facts straight - for instance, air cooled bikes aren't going to blow up in a traffic queue FFS! (filtering is illegal in the States, but in the days of old the streets weren't littered with blown-up air cooled bikes during rush hour) :
2. Learnt to spell and punctuate correctly - politicians will give something a lot more credit if it appears to have been written by someone who is at least reasonably literate (helps even more if the subject about which they're petitioning is accurate). If the writer can't spell, they should have their hard work checked by someone who can... :
