Here's what I put as my response on another thread:
Well considering some of the classes at my alma mater are 1,000 person ones I get their decision to move to online and allow for each week it to be a rolling decision. I don't think any decision will be perfect.
The campus stays open, dining halls stay open and dorm rooms stay open for my alma mater.
I don't think they are trying to eliminate ALL exposure but it can reduce certain larger exposures.
No matter what you cannot prohibit people from going out on their own time so no decision the Universities make will impact that but I also don't think the point like I said is to eliminate all exposure. They aren't imposing quarantines or isolations though there are guidance on who should be doing self-isolations based on individual factors (usually travel related).
One of the biggest factors IMO here is that Spring Break timing. The move to remote learning would probably still be the go to but the amped up possible exposure with Spring Breaks going on. Decisions probably would vary depending on time of year.
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Like I mentioned before part of the official notice from my alma mater was "...keeps the university functioning and helps students continue toward their educational goals."
I think if there was a mass outbreak directly tied to a specific University perhaps they would take additional and much stricter measures and understandably so but this way, with the present exposure risks, etc it leans more towards the middle, careful consideration towards large classes and school-sponsored activities but with as little overall disruption as feasible.
Part of the issue is def. the responses and procedures for Universities are kinda all over the place but in a way that makes sense. Each area has their own unique factors (size, location, make up of student body, etc) different levels of risks for expsoure (number of cases, spread in their area, location, etc).