They all have their own agenda that the WG is more or less lenient about, like marines getting caught up in Hancock's indiscriminate stoning, or marines getting caught up in Moria's indiscriminate shadow-stealing, or Doflamingo's slave trade, etc. But none of that was really on the level of Crocodile trying to overthrow an entire kingdom under the world government to obtain an armageddon death-machine.