According to the Mayo Clinic[1] 72.2% of the US population already have at least one dose. Presumably the people with one dose will continue to get the second one.
Among the people who aren't vaccinated, some of them will have already had it and have a natural immunity. Some of them will get the vaccine eventually even without a mandate.
So, there's some number Only a small percentage of cases require hospitalization. Are we at an extreme risk of hospital overload now?
The variants that have emerged so far seem to be trending toward being less serious and the current vaccine still provides protection against them. So what are we really gaining by forcing more people to get vaccinated?
There is probably a higher risk of contracting a breakthrough case, but how much? And how risky is it to get a breakthrough case anyway? It seems like with the vaccine, if you get it, it's not really all that serious.
Meanwhile, there are real costs in increasing division and creating further animosity among people by mandating a vaccine that the vast majority of people are already willingly getting anyway.
https://www.mayoclinic.org/coronavirus-covid-19/vaccine-trac...