I think it's fine. He didn't even submit the link; rms, whose name is Kevin, did.

If something's good, telling people where they can spread the word is perfectly fine. I like it even more when somebody's manually asking rather than placing a set of generic links on the bottom of every article.

I got the karma points. And there's nothing wrong with submitting your own stuff anyways.

Good point, my bad! You're absolutely right, there's nothing wrong with promoting good stuff.