Those major differences are probably why remote schools are bad and remote work is good.
As sibling comments have pointed out, a very important aspect of education is the socialization - to turn someone into a rounded human being. From an Aristotelian point of view this is actually pretty much the primary purpose of education. It should be obvious that socialization happens much more readily when you are in a group in person without technology intermediating everything.
The assumption is by the time you're in the world of work this process has already happened.
The main reason people work is to make money. The social aspect will always be secondary. Given the choice of remote or in person, most workers will choose remote.
However, many businesses absolutely benefit from work done in person. So it’s up to leadership to decide if their business fits in this category or not.
Anything more than 3 days and we're all essentially spending an extra work day every week just commuting.
Senior management doesn't care. They have strategy objectives and KPIs to hit, and they're not going to hit them if they have to write down their commercial property
And if you're really that busy in the office (there has been maybe 2 years in my entire career when that was true, and that was while working at a gaming app startup as lead developer with only two developers on the team) that you have no time to post anything, you can always post before or after work, which I did.
I could understand feeling like part of your tuition is paying for access to stuff on campus and not getting those things though.
Tuition covers the cost of running the university, classes, support services, and everything else you still need as a remote learner.