No, he's not one to pretend, he's saying that what he or anyone else thinks about trans people just not relevant to him in virtually everything he does, fixing devices or supporting or rallying against a trans politicians' position on other issues like technology.

To give a separate example, does Alice Weidel's sexual orientation have any relevance to your opinion of the German right-wing fascist party leader? No, it's similarly irrelevant, and I can make assumptions, but you don't have to tell me you support or oppose gay marriage to know that.