@BeAware again, that’s not how this platform works.
Behind the scenes, it doesn’t matter if you make your posts followers only or not, the way this platform is engineered behind the scenes, the content goes to people who aren’t followers.
Maybe it will only be shown to followers. Or maybe not. You have no way to know. That’s just how this platform is programmed.
Again to be clear what I’m saying is, you need to be aware that if you make your posts followers only, they will still be subject to going to people who aren’t followers.
This is a design choice that the programmers made, that I disagree with, but you need to know that it is happening.