It's stopping us because most of us are old enough and mature enough to realize the consequences of doing so.
We're talking steep fines, jail time, and criminal records.
Maybe for someone who lives at home that's not a terrible outcome. For some of us here, a criminal record would very much end our career.
Does that answer your question?
"Someone in a Prius tried to race me at a stop sign the other day. I couldn't believe it. I had him for the first 100 feet or so but I can only walk so fast."