They’re also cheap so many people buy more frequently and the older ones get exported overseas to less wealthy nations which is why you don’t see them here.

As for the blinking brake light, that is almost never done at the factory, it’s a symptom of our stupid dealership model where dealers will add useless aftermarket crap to differentiate themselves from other dealers of the same car. None of that would be needed if it was legal to buy directly from the manufacturer.