Regular surgical masks won't protect your from inhaling the virus, but they will protect you from rubbing your face and nose 100 times a day with contaminated hands, without even noticing it. I wouldn't dismiss their efficacy.
Bank customers in bandanas would probably be a good way to get shot by a security guard in a bandana. The days of Butch and Sundance aren't that far behind us!
Many places small and large put a large value on butts in seats.
For a less cynical take, there's a lot of conversations that do happen more efficiently in-person, particularly at a lot of places that aren't set up for "full remote".
It's sometimes seen as a security issue, especially if you are not provided with a company-issued laptop. Or your work may require specialized equipment like beefy machines for 3D rendering or local access to a server.
