You can care about people as a proxy of doing PR over the thing you like to do.
Not saying he's an asshole or anything; people just need to stop having these weird as fuck personal relationships with online personalities whom they don't even actually know.
But yeah, Linus used to care more, but it was years ago when he started saying he'll stop being CEO soon.
Started piling up from back then to where it is now.
Tl;dr: frustrations, inability to do the thing he wanted, high commercial pressure, family, impulsiveness (New houses, new cars, new projects while there were multiple still in progress or not even started), etc.
Lost sight of what he was doing, and what he wanted.
Maybe that'll slowly improve with new CEO, and the projects he started finishing.
Minäpä venyttelin selkääni yksi päivä, CIA soitti ja kyseli haluaisinko Amerikan Presidentiksi kun noin ryhdissä olin.