Do you teach? If not, I don't think you understand. Teachers have to basically run a laptop and can't leave one position of the room so that students virtually can hear them (and that means students in person aren't getting a lot of help but that is already hindered by the distancing guidelines. Oh, and be careful about having that mic on too much or you might breach confidentiality of a student). Then they have to prep materials that are available for the in-person kids and the virtual kids, which sometimes means prepping two different types of materials. And much smaller classes isn't always true. In my area there are classes were teachers have four kids online and then there were 20+ in-person. There are major equity issues there too in terms of making sure the kids in both platforms are getting the same teaching, so its a tough balancing act to make sure everyone's needs are being met. If this were to continue as a model into next school year you are going to burn a lot of people out.
But hey, exploit the worker, right? I think it'd be better that we work smarter than harder.
Edit: And let me add that I'm all about changing metrics (especially for big cities - like Fayette getting to less than 10 per 10k or whatever cases for full return? Really?) or approaching this smartly, but I hate how a lot of the leadership in this crisis has been "Well I don't want to make a decision so I'll keep kicking it down the chain of command." The vague guidelines yesterday really don't give much for local leadership to work with. They have to define these hybrid setups, define which faculty should be able to work virtually, etc.