The big silicon valley companies don't need to care. They have deep pockets, and queues of kids round the block willing to work and live in cubicles for a chance to work with them joining every year.
The VCs don't care either, they want to keep their startups on a tight leash from Sand Hill Road.
For a bootstrapped startup that isn't tied to a Sand Hill VC, remote working is a viable option that gives them access to talent they wouldn't otherwise have.