EDIT: A lot of you are reading into the tweet while still somehow agreeing with the overall message. No one is saying we should eliminate music programs or that we should teach toddlers about healthcare plans. The tweet is making this thing called a --checks notes-- joke, that also conveys the message that schools could teach more practical skills that young adults will need going forward.
3/4ths is definitely house poor living. There is some benefit to going as big as you can afford though since moving is a huge pain, buying a bigger better house up front can save a lot of headache and possibly money, but even then staying under 40% seems like a good idea.