They know.

Capacitive touch sensors are WAY cheaper than physical buttons, and aren’t nearly as prone to mechanical flaws. Plus they can market them as “newer”!

Car companies only care about your safety as much as it affects their bottom line. It’s unfortunately commonplace for there to be known fatal flaws which occur infrequently enough that it’s cheaper to just pay out the injured/killed victims than to issue a recall. Driving is inherently dangerous - any car companies that tried to fix everything would go bankrupt, or at least be squeezed out by those that don’t.

Now, if only there were a way to build the places we live so that we didn’t need to take on the risk of driving so frequently…