H1B workers can still switch employers, they’re not tied to the employer who originally sponsored them.
There’s some paperwork, but it’s not a major hurdle. Maybe a few grand in legal fees and a few hours of work on the employer side.
How small of a minority was it for Twitter after Elon fired a supermajority of the regular FTEs?
Also a lot of employers who had layoffs aren't sponsoring new Green cards because u know...
It is no fun being on H1B...