I sometimes nearly feel sorry for GCs, their campaign to drive trans people from public only seems to lead to them boycotting more businesses. To add to their boycott of pretty much every supermarket, they want to boycott Tesco's (again?) because they've restated the law around trans people and loos
I think Sainsbury's had the same back in the day, we had a colleague who used to switch between both (the name tag matched the switches) and nobody batted an eyelid in 2003.