If the direction is to go full / mostly remote, I believe most companies will insist on ensure that working hours mostly overlap with US business hours. So I think the big winner here will mostly be tech workers based in South America.
At my previous job at a SF based ad-tech company, I was the lone SF based engineer. Boss was in Australia, rest of the engineering team was in South america.
At my previous job at a SF based ad-tech company, I was the lone SF based engineer. Boss was in Australia, rest of the engineering team was in South america.