For Indie Artists, as you are playing FFXIV, you may wish to earn coins by yourself. If you don't like buying Gil and are worried that he has spread bad information or publicized the process - it may be worth talking to him directly, or asking your FC leader to discuss with him whether there is the risk he wants to take action, but as a caring football club member, he should keep encouraging others to do what "may" make them banned Prudence.
I think everything else:
I think you should spend your time on other goals - achieving your personal goals in the game, helping the football club, raiding and so on.
Whether this person buys Gil will not affect your game, or even sound like the person in question is using his situation to help a lot of people. It's good for him. In such a game, the unfair advantage has no effect on me. After all, it's a damned, uncompetitive MMO.
I'm surprised that you went to GM and didn't even consult him or understand his story. It sounds sorry, but in my opinion, it's very naive.
Is FFXIV more popular than World of Warcraft?
I will not quote any numbers or do any heavy work on it. This is obvious.
If "popular" means "does it have more subscribers?" , then the answer is No. World of Warcraft is still (as I checked last time) the largest subscriber base in paid MMO at the same time.
If "welcome" is used instead, which means "is it universally welcomed and / or respected by its fans and the entire game community", then the answer is yes.
The World of Warcraft community is full of disappointment, resentment and anger, and even some of the leading figures in the twitch and Youtube communities often express their concerns about Blizzard's decision. In contrast, the FFXIV community pays homage to game developers and publishers and regularly praises them. In XIV, player satisfaction is usually much higher, and compared with World of Warcraft, subscription to the game usually comes from sunk costs.
Finally, Fantasy XIV won the popularity contest with its more popular indicators and the most frequent positive response from its community. However, if you want to count submarines, it will be World of Warcraft for quite a long time.