One thing I keep hearing from people -- and I've said it myself a time or two, before I actually started playing Fortnite -- is that Fornite will eventually "die out." I used to think that because 1) I hadn't played the game, and 2) I think we're all kind of conditioned to believe that that is the life cycle for games these days, sans a particular few (League of Legends, World of Warcraft, etc.).
After having an extensive playtime since I started mid-season 4, I've come to learn a *ton* about the game, grinding up to the point where I have about 35 wins to my name (and my team, when I play with them). And what I've learned is this:
First, Fortnite is insanely addictive. I don't think I've played a game that is so intrinsically fun; hours upon hours can pass without even registering it. Secondly, it's insanely deep; I've jumped through a lot of hoops to learn how to play, and even further still to learn how to play well. The building in this game is, well, game-changing. I think it's what has set it apart from the other Battle Royale games, and I think it's what will make the game stick around when others die out, but more on that later. Finally, the game is supported in a way that only Riot and Blizzard compete with; the attention to updates, balance changes and new content is insane.
So I think Fortnite gets to join the ranks of those games. It's going to be around for a very, very long time, and it's no longer just a BR game -- those *do* come and go. Fortnite is nearly a genre unto itself; a behemoth of a game that has enticed so many to play it, but beyond that so many to just *know* about it. It's an event, and I think it'll stick. The idea that it's another Minecraft... well, it's another World of Warcraft. Or League of Legends. It's a huge game, it's not going away, and it will continue to crush any direct competitors as they arrive assuming those games aren't offering anything truly new.
And Fortnite is just getting started. Minecraft, et. al., have been around for a very long time. Fortnite has come out of the gate and in a year established itself as one of the biggest things ever in videogames. If Epic continues to evolve the space, re-envisions the STW component for people who just can't get behind the BR stuff, makes it free and keeps everything free, I just don't see Fortnite going away. I think it'll just always be a thing, very much like these other games. I could be wrong, of course, who knows, maybe Battlefield or CoD comes out with BR and in a night it all falls apart. But while it's certainly possible, I am firmly in the "This thing is sticking around for a *long* time" camp.