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 perfect

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.