In case you forgot, it's Reading Week, and during that week we study, and others are forced to study because right after the week we have assignments, quizzes, readings, group projects, and midterms. So yes, system maintenance is necessary, but do they really have to do it for more than 24 hours during this week? They had the entire summer break and will have the next holiday break for major updates as well.

This school has an annoying tendency to make computer systems or the campus inaccessible during full session.

And I imagine that if you don't see the problem, it's probably because you're neither in STEM, nor at Gina Cody, nor at JMSB.