The TTT was a result of a brand-new game mechanic that favored existing large groups because they had old money.
Freedom is good, but corruption subverts it. These groups were effectively given this thing for free, while everyone else would have to struggle with a massive uphill battle with virtually insurmountable odds in order to accomplish the same.
CCP realized this, and ended up nerfing the income cap. Too little too late, though. Nothing bigger than medium structures should’ve been allowed in high-sec from the start.