> Congress needs to pass a law that says that hiring a remote employee in a particular state does not, by itself, create nexus for sales or corporate income tax purposes.
As far I understand, Congress does not have the authority to override the states in this way. I don't think it should either.
> stay out of California, and never hire anyone who lives there.
This is the correct way to deal with 'greedy states'. Don't give them the time of day.