This is why I love playing chess, reading fantasy books, and gardening... because they don't matter, and I'd rather spend my idle time doing those things than being glued to my phone.
Yeah, that's what I'm trying to do as well. Less time on the phone, more time reading novel whose style and substance I enjoy. Reading isn't something that "matters", but I find one more fulfilling.
Gardening makes the world a more beautiful place. You're right that in the long term, it doesn't matter, but when you walk outside and smell a gardenia...