People who get stuff done and are successfully using a technology rarely go around advocating for it.
Point being, Rust might be even more popular than what this post suggests. But then again that could go for any other language. Apart from Rust I also work with Elixir a lot and I know that most of its devs are not at all vocal; they're too busy being successful and don't need external validation -- they know the benefits of the tech and are using it to their full advantage.
I know that I do that, and I know others. Both with Elixir and Rust.
You mentioned Elixir (in a thread about Rust) and Rust a fair number of times to consider yourself "not at all vocal", so perhaps you are not a case in your point :)
I did not mean to offend, but simply highlight the nuanced contradiction in your comment for a good natured laugh on it. I haven't brought a single language up, and yet I'll admit to sometimes selling the benefits of one: it's only natural.
It's ok that you are vocal about them from time to time, but claiming how you are silent about that is simply untrue: you could have stopped after the first sentence, or not brought Elixir into the discussion at the very least.