There's some validity to that, but a lot depends on how widespread the disease becomes. There are about 100,000 ICU beds in the US, and they can't all be allocated to coronavirus patients. Not having access to a ventilator would be pretty much equivalent to a death sentence for some patients. There are <100,000 ventilators in the US, and they're not evenly distributed (some areas and hospitals have very few). It wouldn't take much of a pandemic to exhaust our supply of ICU beds and other critical-care resources.