I read it and was surprised the BBC were willing to publish it.
I think it's possible she's not obeying the law though? She offers a service to the public. It's single sex as a proportionate way to achieve a legitimate aim (her safety) except for the two men who were existing clients. I thought it'd be a problem for her to make exceptions. But I know the law is complicated. Is it enough for her to say the rule applies only to new customers?
Of course, I fully support her choice and would do the same in her shoes, I'm just interested in the legal side of things.