STEM courses can easily be done online, these schools will survive just fine, just as Business classes will. Other academics, not so much...
Technical Schools often require more “hands on” teaching, such as engine repair, plumbing, and electrician. Medical and Nursing schools are definitely very... personal, by their nature.
I wonder which traditional 4-year uni will be the first to pivot toward technical education. Their choices are to lead, to follow, or to go away. It’s not either-or, they could do both and broaden their base and — diversity is good, right?
If this continues, they won’t be just fine. Online courses are not going to cover fixed overhead costs. Just think of the costs associated with maintaining the physical plant with sprawling grounds and many buildings.