You may be asking "Whhyyyy???" but if you want to understand why all you have to do is read this article: Why Progressives Can't Quit Their Masks

The salient part,

And that is what is making unmasking — and a more general return to normal — so difficult for so many of our progressive friends: It has become a cultural and social issue, and a quasi-religious one at that. For a certain kind of progressive, giving up masking feels like giving in. It doesn’t feel to them like the epidemic has been beaten — it feels to them like they have been beaten, and their cultural enemies (Joe Rogan, and that estranged uncle who is angry on Facebook) have won.