Why does the freedom to infect others outweigh the freedom to survive a preventable disease? You don't get to pick and choose which parts of the social compact to follow as it suits you.
If you leave quarantine you expose yourself to risk. It's your choice to leave quarantine or not. It's your choice to get a vaccine or not. This is a personal responsibility issue. Not a society wide issue. It's never been anyone's responsibility to wear a bubble suit to protect immuno-compromised people, or stop eating meat because of people with high cholesterol.. and it's not anyone's responsibility to get a vacci…
Permitting individuals to choose to be vaccinated and building owners to choose to forbid vaccinated people seems reasonable to me. Sacrificing individual freedoms for the mutual benefit of the larger group is the very core concept of society.