Most of this is subjective, unsubstantiated conjecture, or blatantly ignoring the fact that cars cause congestion, injury and death much more than bicycles. As

Most of this is subjective, unsubstantiated conjecture, or blatantly ignoring the fact that cars cause congestion, injury and death much more than bicycles. Aside from that, riding on sidewalks is legal in Austin. You clearly aren't familiar with the situation.