They did it! Members of the US union IATSE, which represents crews, overwhelmingly gave their backing for strike action against broadcaster and streamers union AMPTP if a deal can't be struck over pay and long working hours.

Could we see a point where similar action is taken by UK freelancers?

https://www.thetalentmanager.com/blog/701/us-crews-vote-to-strike-over-pay-and-conditions