If you truly think there is nothing your company can do to make you comfortable then I think all we can do is encourage the retirement OR share our experiences with going back to work.
Everyone has different home and office set ups of course. I feel pretty sure none of us wish that we had to deal with Covid and WFH, going back to work - all of it!
I have been back in the office at least part time since July 2020 and mostly full time the last year or so with a little flexibility to work at home 1-2 days a week. I work on a hospital campus. Masking still required in public areas though now not on our administrative floor unless we desire. It kind of stuns me that some offices have not gone back to the office at all. Like they hope to but it hasn’t happened yet. With so much of everyday life back on the table (even if masked) it is surprising to me that some offices are still largely remote.
My advice would be to give the office a go for a trial period - maybe a couple of months. You MIGHT find the adjustment easier than you think - or not. But you will have at least trialed it.