Don't lose hope.
I was one of the average Joe who was using facebook, insta, yt, gmail all of the proprietory shit. However as I learned about privacy I seeked alternative now I'm replying you on Lemmy!
As for facebook and insta I stopped using it and using Invidious for yt.
:)
We don't have Linux in professional work because we don't know Linux
and We don't know Linux because we don't have Linux in professional work
See it's a chicken egg problem.
Students should be encouraged to use Linux at school and on their PC.
🇨🇳