Because, in dev speak, the parts of the code base that get the most love are the ones the devs enjoy working with. The car that was produced begrudgingly as a means to get back to the cars the engineers wanted to make doesn't exactly inspire confidence that parts will be available and cheap, mechanics will be able to service it in a decade, people will make 3rd party parts, etc..

In cars there is a lot of hidden value in buying popular models.