According to Russell Dauterman, in his personal canon, Janet Van Dyne designed the nonmutant heroes' looks for the Hellfire Gala, including Spider-Man's, so there would be that.
As for the jabs at the X-Men here by some, you try spending years giving and sacrificing endlessly for (a) people that would rather spit on you and your kind and see you all extinct out of nothing but base bigotry, and then see how much more of that you can endure before throwing your hands up and saying, "F*** this whole race/species of ingrates! We're going to do what we need to do for ourselves, and anyone with a problem with that can f*** all the way off!"