Honestly, I feel this. Growing up means less time to no-life games like we used to. Nothing wrong with wanting to skip the grind and just enjoy the cool stuff. I do the same thing with WoW when I'm short on time. A little boost saves my sanity.
https://skycoach.gg/wow-classic-era-boost/gold has been my go-to for keeping up without burning out. Glad the Fortnite route worked for you too.