I simply dont have facebook, twitter or tiktok installed on my phone.
more importantly, FOMO, when applied to real relationships, leads to this utilitarian mindset where you view other people and your interactions with them in highly objectified ways, centering the possible opportunities your relationships with others might provide. other people don't exist for your benefit. this is a form of non-sexual fetishization, where you start to view actual people as tools and grant those tools metaphysical power over your life - not interacting with them might lead you to missing out on something /critical/.
treat people like people. spend time with people because you like them and enjoy your time with them. don't fixate on your own ends and make means of other people.
Here is an example from my life. I enjoy cannabis. I love the creative mode I get into when I use it, I love how periodic use can allow me to reexamine things from a different perspective, and so on. Great stuff. (and yes, it is legal here and sold in about 4 stores within a ten minute walk)
What I don't like is how, if I have it sitting around my house, I am tempted to use it when I need to get work done, and it will get in the way of that and cause me to waste time. I would become an unproductive stoner if it was always around.
Enter technology. I bought a lockbox with a timer. Pull out a little bit, then lock it up for 4-5 days. Works perfectly for me.
Some people could say "why not just learn some discipline?" (easier said than done) Others will say "if you have an addiction, just don't buy the stuff."
I say, why can't I have the best of both?
Same goes for things like phone and web addiction. Technology can help. I don't like this solution (too all-or-nothing.... it's like the "just don't buy the stuff" solution), but I do like the idea of technology helping with what is otherwise a human issue.
I was also considering a feature phone a long time ago, and also like the parent the reason I couldn't bring myself to make the switch was because I was worried I'd end up needing to use Lyft.
A Lyft app for feature phones doesn't sound like an attractive business target, and even if the market was such that Lyft felt like making one then in the end Facebook would probably also feel like making their own. Those incentives turn the smartphone game into an all-or-nothing affair if you want the convenience of modern apps, for better or worse.