You're treating it like people who would judge you based on the car you drive make some kind of high-minded ethical choice, but they're in reality looking for a reason to get their peers to accept a smaller group of people that still includes them, because that makes them relatively speaking higher status. They can't just make things up because they couldn't coordinate around that, but with Elon acting like a lighthouse, they can invent a new norm and benefit from being the first to adopt it.