Except not getting vaccinated harms others. Yes, they're mostly harming themselves, but some people aren't able to be vaccinated, and a few vaccinated people have still been hospitalized from covid complications.
People have literally died from not being able to receive treatment from their diseases because hospitals were filled with COVID patients who didn't take the vaccine when offered.
It’s like a seatbelt. You can require that everyone have access to one but you can’t require that everyone use one.