Smoking is a decent analogy to this, because they have shown that second-hand smoke can affect someone's health. If you want to smoke in your car, fine. If you want to smoke in the office where I work, not fine, it threatens my health. Same as with drunk driving.
Has there been a court case about mask mandates yet? Ah, here you go, a quick google: https://komonews.com/news/loca...es-face-mask-mandate. Here's another: https://www.boston.com/news/co...awsuit-charlie-baker. And even in Texas: https://www.nbcdfw.com/news/co...-mask-order/2400685/.
I guess when these get settled by the Supreme Court, we'll know.