I know I have the same permission, and, while most games I join (always as a Spectator unless someone specifically requests my on-ship presence) these days are full of people who don't communicate, I've definitely spent at least a few games talking tips with the newer players, including advice for on-ship communication, piloting, gunning, and so forth.
So it definitely helps some people, even when we just randomly pop in. I actively saw a few pilots improving their game over the course of maybe 3-5 games with me watching and commenting.