There's a lot of truth to what you say, but I also believe card games have a pretty high longevity overall! MtG, YGO, HS are all games that lasted a long time, with multiple smaller card games still going on as well for decades. Even WoW TCG was only really discontinued cause they had HS in the making.
That said, I'd love to see more to the splinterverse, it would make me even more excited to use all my nfts.
!1UP
I agree - that's why I envision Splinterlands itself at the core of the Splinterverse. Other games around it may come and go, but Splinterlands as a core game should be able to stand the test of time, changing and evolving with each new set added to the game.