By gunplay I mean how the guns feel and how satisfying they are. Fortnite's is just lacking. I know it has other stuff, but it is a shooter.gunplay (whatever that means) is just one part of Fortnite. What make Fortnite interesting & varies is the tools (Shockwave, gapple, portals) you have for play & counterplay. Most stuctrures can be destory, grounds can be burned which add extra layer of depth you do not get in many MP shooters.
But you do you. Fun is subjective.