Teenagers. US teenagers, specifically. So definitely no big problem.
Personally for me the problem starts when there is no mobile hardware which supports free/libre OS. It is already visible in the supported hardware list of LineageOS. Large tablets, particularly.
I'm wondering if it's tied to how status symbols differ per culture. Its been 20 years, but I don't remember status symbols mattering much to my environment when I was a teenager in the Netherlands. I wonder how that is now.