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Sounds like opportunity knocking to me. Why not start the communities you want to see here then they will already exist when others show up, and of course you will be the OG. Its a commitment I’m not gonna lie. edit: I see it seems you know this and are keeping reddit to help create a path, sorry. Leaving the post for others tho.
My suggestion is to find some older laptop that nobody wants anymore and put linux on that. Dual booting is more PITA than its worth to just try it out, and you’ll probably run into issues with the clock which will make you frustrated. Also, having another working machine that you can look stuff up in real time while you work through issues is gonna be key. Def approach linux on the desktop as a challenge / puzzle and you will be accidentally and painlessly learning everything you need to one day be a sysadmin lol
mod tools seem fairly limited at present but I found this page describing what you can do now: https://join-lemmy.org/docs/users/04-moderation.html I’m still mulling over what niche I can fill myself - only just got here lol
Seems like a great time to mention the Firefox Facebook Container add-on!
The add-on I linked is written and maintained by Mozilla and was updated as recently as Jul 6 of this year. The blog post you linked to is from 2021. If it wasn’t doing something more it seems like Mozilla would be wasting their time. I do admit to being too ignorant about everything it is doing and thats on me, so if anything your post has made me want to know more. Here’s the repo where it is being developed: https://github.com/mozilla/contain-facebook