I get that he has an emotional attachment to X from his previous attempts at this, but it’s not even the best single letter branding option.

Musk should have gone for Alpha, which you can shorten using the Greek letter α for his stupid logos, wouldn’t get you banned from half of the world’s anti-porn filters, has nice connotations in terms of cutting edge novel software and meaning ‘first’, and which would draw in his target audience of fuckwits who think Jordan Peterson is a serious person with valid opinions. Honestly missed such an open goal with that one.