The "scam" part of Tesla has been well-documented, from their failure to deliver reliable full self-driving to the Cybertruck's low quality manufacturing, there is a lot of information out there about it.
Æthelstan was a fairly common name among the anglo-saxons at the time. The "Æthel-" prefix, really - meaning "noble" - was common among both boys and girls.
I am unaware of the culture around non-binary people at the time and can't comment as to the popularity of their preferred naming conventions.
I can't comment on the other things.