To be blunt, people (millennials) overstate if not overrate the x-men based on their own nostalgia from a 1992 cartoon and some capcom fighting games, while being unable to see the forest from the trees: that is, we've had 15 years of x-men movies (2000-2015'ish) of varying quality and the only ones that hit box office-wise were largely the adjacent spoofs featuring Deadpool.
Their pop culture reign in the 90s was cool (in a big fish, small pond way), but it'd be like Magic (x-men) and Bird (jla) stans not wanting to acknowledge what that Jordan mfer was, and still tryna cling to the old days, when the thing about the old days is....
But of course, the same could apply if this turns out to be the washington wizards era of the RDJ MCU
So we'll see