I made it through college as a Mac user in the mid 90's which had a lower market share than Linux does now. If I was a college now I'd probably get a reasonably powerful business notebook and run MacOS, and Windows in a VM so I wasn't left wanting.
You're seeing him because he's still relevant and has a lot of sway with the DNC.
Nobody is right all the time, and some things are wrong but right in certain political times. Obama ran opposing gay marriage then did a 180. Carville is right the trans issue loses far more votes than it gains, since you can't progress without winning they just need to stsop talking about it.
Somebody is going to shoot his fat ass