I do not generally post on the forums (haven't for a long while now) but this caught my attention and I felt the need to speak up.
Someone who is trained in the mental health field is already very well aware not to do something like this. It is not just rude, but dangerous, to be throwing around diagnosis like that.
Even if mental health were an issue at hand, it's not up to Bioware, nor anyone else, to be responsible for it. What can be taken into account, however, is behavior. And sadly there is nothing against the ToS (that I'm aware of) to says someone can't create multiple guilds/communities.
Though I understand the frustration of the situation, the best you can do is potentially report the guild for any ToS breaking behavior. At worst, some of those guilds could potentially be credit-farmers/bots, if you think you have evidence to prove it.
Beyond that, in truth is the most you can do is focus on what is in your control. I doubt you're missing out on much by not having your guild be in the top 10. Until Bioware decides this is a problem, play the game in the way that works best for you. Again, yes, frustrating to be 'forced' out of some areas of the game, but it's a small detail in the bigger picture of things.