I have a lot of thoughts about how user-empowering software can help people, but most of the changes we talk about are a hard sell due to network effects; people aren't going to just change up their operating system or social network without having a really good reason AND a lot of free time
but installing an ad blocker? that's some low-hanging fruit right there! everyone can intuitively understand why it's worth doing, and it's really easy to do
let's see more advocacy of that instead of "ACTUALLY you should be using GNU/Linux to maximize your freedom because [...]"