Unlike Anaris, I don't have so much faith in random players keeping the confidentiality of the information gained, or the ability of other Titans to notice that it is potentially being abused.
I wasn't especially saying that I thought random players would be able to keep confidentiality: only that any deliberate abuse should be pretty easy to recognize and come down on like a ton of bricks.
I, too, think that the better idea is just to expand the Titans.