If that's true, it raises the question of why. The look isn't all that exceptional, he's just somebody who works out a fair bit, and didn't when he was younger. He's not exactly Erik Prince. So the focus on it, and the frequently malicious tone, sort of parse as "he doesn't look like nerds do anymore, that's suspicious".
This could all be apophenia, obviously. It just raises an eyebrow since I've seen athletic programmers greeted with "but you don't look like a programmer!"
I am troubled by privately-owned "public" spaces but the writing of this article isn't doing anyone any favors.
(As a mildly interesting example of a similar phenomenon: the pro-business libertarian / neo-liberal FDP party in Germany still proudly calls itself 'liberal'.)