Whatever it is now, the only reproduction it will do now is for the cult of homosexuality and transgender studies. It is little wonder the majority of Muslims think the West is decadent and wicked when they see this sort of nonsense. I'm not surprised a Western woman like you would have an affinity for something like this. It is how the West is being lost.
Islam is riddled with homosexuality, although it’s usually men trying to be like pretty women, rather than men trying to be ugly women. This is a very common feature of polygamous cultures.
The premise of the complaint in this situation is that the man is afraid his wife will have sex with the driving instructor, who is more-or-less physically male at this point. That says everything about the complainant’s opinion of himself and of his wife.
I’ll add, though, that I think the complainant has a reasonable small-claims, breach-of-contract suit, or whatever the British equivalent is. He contracted for a female driving instructor, and the instructor who showed up was biologically a man, whatever its “certificate” said.
A jury where I live would award him a full refund and maybe a bonus for the irritation factor, while still thinking to themselves that he’s probably got a teeny little ...