The main reason I wrote this was to counter some libertarian ideas/zeitgeist. The original draft (from, ehm, maybe 2 years ago) was titled "The libertarian fallacy", but I felt this didn't do service since libertarianism is quite broad (indeed, I have quite a few libertarian leanings myself).
The second reason is indeed that I do plan to write some other things to point out some of the FSFs failings as I see them, both in their philosophy and some more pragmatical things, and the appreciation of the complexity of "freedom" is one of them.
I agree that as it stands it's not well argumented, but this will be an article on its own (soon™, although a kind of proto-draft is available as some comments I made at [1]). I have this kind of complex dependency tree in my head on what to write in what order.
I hate how you phrase this as a "smear campaign" though. I don't expect everyone to agree with me, but I do expect people to recognise I'm arguing in good faith, and "smear campaign" implies that I don't.
[1]: https://lobste.rs/s/gywiju/freedom_isn_t_free#c_73fmon