I really agree with what you are trying to do, and I'll help out however i can - with teaching people or whatever else.
I made a linkshell for people who wanted to learn back when Second Coil became farmable. I didn't leave it open to just friend or friends of friends. I put messages out in Mor Dhona, Limsa, ect. and a lot of the people in it got help while others didn't. I invited my friends from my static and other linkshells to help out when they could as well. The initial purpose of the linkshell was not to just give these people clears, but to have them be able to complete the fight all the way through with confidence. In other words, we should be able to run the fight with zero communication and they will still know what's going on.