Yes, pulling out of the UK is on the tables now.
See, one of the amazing parts of the EU is the capability of collective bargaining.
If the UK was still in the EU, then any company looking to pull out of the UK because of laws would cause the EU to ban the company in every other country until they comply.
A company would essentially need to pull out of the entire EU in those instances, and with their 700 million rich inhabitants, that is one huge market to leave.
But leaving a 70 million market isn't that big of a deal.