Yes, he is a narcissist. Smart guy, cool products, but it's just like how Trump cannot talk about anything without shoehorning in a statement like "I got more votes than any sitting president ever" when being asked about something completely unrelated.
My favorite example is when Caltech put out a press release about a young woman got her PhD and nearly beat Wolfram's record for youngest PhD from Caltech. He felt immediately compelled to write a long winded several-thousand word essay about how glad he is to still have the record for being the youngest PhD, by a full two weeks! And also, he wanted to remind everyone that he knew Richard Feynman. Cringe...
It's Wolfram. If they didn't claim to invent something fundamental in the first paragraph, I'd immediately assume the site was hacked or it's a poorly timed April fools joke written by an intern.