It is your right to be offended by things like that, I won't hold it against you. I personally am just fine with some people talking out of their asses every now and again (mostly if I like them).
Not crucial, but just because I'm trying to understand your point of view: one could choose to interpret his words as "these youngins and their genders and smartphones and starbucks, I'm a boomer" kind of thing. Like more of a self jab if anything. I'm not even sure the 100 genders remark is that far off. Do you think that's possible? Or did his delivery make it certain that he is indeed intending that as a joke on the expense of people. If you have a video I'd love to watch it so I don't talk about it just theoretically.
ANOTHER EDIT: Lol I googled it. Bruce was really close!
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I feel there could be a huge argument with what's implied here, but I wonder if you remember exactly what he said just so I can understand the context?