You are struggling with the circle of concern. You're spending time worrying about things that concern you but that you can't change. You will feel better if you focus on things you can directly control or things you can influence.
So look more local. DO something positive in your community. It will help you feel grounded and effective.
I go to local protests, donate to the local food bank, etc. Even just showing up with intent feels positive. Heck, go to the library. Showing up helps their numbers and helps their funding.
What is Nebula? Is it literally just a YouTube alternative, or is there more to it? I did some googling and couldn't find much. But they do seem to have a few creators I like.
Anything is a laptop if you have a large enough lap