Don't think Guy's is gendered? What about our cultures damaging overuse of He to mean they? You've got to admit that He is a gendered word.
Gendered words can be, and are, damaging to some recipients (and effectively the deliverer). You’re probably not even aware of the fact that you’re alineting or demeaning your audience. I, and a lot of other women, have a visceral reaction to the term and it’s important you are aware of the impacts of choosing to using it. Let's talk about "guys".