I'm with you. I'd love a one-time budget for modifications to my home that will actually make it viable as an office. I've invested in a better chair, monitor(s), peripherals etc. That money shouldn't have came out of my pocket.
That's being said, I don't work for Google, but the guarantee that I'd be able to move some place cheaper for a year would make these expenses easier to swallow.
My company (in Norway, so not FAANG) shipped all their office stuff to us. So before the first week of WFH was over I had gotten my chair, desk, screen, keyboard etc all set up at home.
But if these things last longtime or become permanent, I think people will start reconsider where they live. For instance, we could need an extra room for a proper office.
Googlers can't use our workstations at home, but we can use our laptops for remote desktop/SSH. Everything else is processed in data centers which means great performance everywhere. We've also got monitors and office chairs to bring home.
That's being said, I don't work for Google, but the guarantee that I'd be able to move some place cheaper for a year would make these expenses easier to swallow.