The crazy Uber drivers would replace their windows with plexiglass if that caught on.
You are assuming a crazed uber driver is smart and knowledgeable enough to do that, but 90% of people driving ubers to start with are doing so because they don't have those kind of skills or knowledge.
Your threat model is incoherent.
You are assuming a crazed uber driver is smart and knowledgeable enough to do that, but 90% of people driving ubers to start with are doing so because they don't have those kind of skills or knowledge.