

I think they didn’t refer to the article, but to the text OP added:
While this is just a theory for the most part it is kind of interesting to think about. What if the double empathy problem is really just people who socialize like Neanderthals
Which, in my opinion, is worded a bit unfortunately.
/e/OS has official builds for the fairphones, you can re-lock the bootloader there, afaik. At least according to this: https://doc.e.foundation/devices/FP5/install
You can also buy the phone directly with /e/OS pre-installed & closed bootloader, from what I read on the fairphone website.