In 2016, the state of North Carolina passed bill HB2, a controversial measure that barred most transgender people from using multiple-occupancy public restrooms. The legislation mandated that access for people was “based on their biological sex,” and relied on a particular and contested definition of gender, namely, “the condition of being male or female” as stated on a birth certificate. North Carolina did not seem to have a surfeit of restroom-use problems prior to 2016, and its law has not been replicated by any other state. Still, politicians elsewhere continue…