The goal of FSF is not one which people inherently identify with. You can either die on that hill (and you surely will die), or you can go out of your way to try to be diplomatic and convince people of your mission.
If living the FSF moral means being like RMS, you'll never convince anyone. Here is how he browses the internet:
> I generally do not connect to web sites from my own machine, aside from a few sites I have some special relationship with. I usually fetch web pages from other sites by sending mail to a program (see https://git.savannah.gnu.org/git/womb/hacks.git) that fetches them, much like wget, and then mails them back to me. Then I look at them using a web browser, unless it is easy to see the text in the HTML page directly. I usually try lynx first, then a graphical browser if the page needs it.
https://stallman.org/stallman-computing.html
This is the behavior of a lunatic, and not someone who I consider tethered to modern society or the economy that relies on technology. He reminds of the guy in "better call saul" who has removed all forms of electromagnetism in his house. If I met this person IRL, and he tried to convince me of literally any opinion, I would assume outright that these are the ravings of a mentally ill person with paranoid delusions of grandeur