Least he's finally quitting medicine. What a waste of an education though. Interesting to see if his legitimacy plummets now he's not calling himself a "Doctor who saves lives!". Maybe he will continue to give some money to charity every month and keep saying he's "saving lives" tho.
I also do not think he is gay but I think he is on the autism spectrum (I say this as someone who is mildly on the spectrum myself). He's definitely incredibly high functioning but his tendancy to go "deep" into topics he has an interest in looking to "master" them, as other posters have said, indicates he's on the spectrum. He also has the tendancy to make things like getting a latte in the morning into a personality trait. His obsession with creating systems and hacks for everything so it's organised fuels that theory to me.
He also goes on about "Ed Sheeran bangers" or "Olivia Rodrigo Driving License" constantly like they are the only two bits of music he knows about. Bro get a new song! There are literally millions out there. Him going on about Disney songs too like seriously there's nothing wrong with listening to those but it is a very feminised music taste to have whichbacks up the point of having no male role models.
You can tell from his education history he's always been around incredibly clever people. Going to a grammar school followed by Cambridge, and I think it's clear that to him, being the cleverest person in the room is the most important thing to him.
This means he also feels very...weird when he's talking to people who are not directly in his circle or at that level of education/prestige (Oxbridge education). Like I can tell he's being his true self in his videos with his brother or with someone like Angus - but his interactions with more "normal" people like the staff at Gymshark in his vlog there, or the Love Island guy on his podcast feels very ungenuine like he's reading from a script of how to interact with normal people. This bleeds through to his business. His idea of how to manage a small media business with "leadership team" meetings and having company values and aspirations seems like he's read a book about a being a CEO and is constantly consulting that.
I don't think he has had much success with women because he doesn't value a relationship highly and his personality traits are not suited to being in a long term relationship. He comes across has incredibly arrogant and big-headed which is going to be a turn off for a lot of girls. His obsession with being productive is counter-productive to being in a relationship. The special moments for people in relationships is stuff like laying in bed in the morning together, doing nothing. He openly only wants to spend 10% of his time with you and doubtless that would be probably "date night" type stuff like going out for a meal and not the quiet moments, because they are not "productive". He would probably try to schedule in sex in ten-minute time slots if Elon Musk wrote it down in a book.
I just cannot imagine him ever saying or thinking anything truly spontaneous. Every thought he has, has to be filtered through 5 different self help books. He has no original personality traits of his own, and his game-ification and systemisation of dating is the most icky and disgusting thing ever. Just go with the flow mate.