The most recent report seems to indicate their previous actions against farmers who focused on fishing have been somewhat successful. The also make mention of some anti-farming techniques implimented in the May update, with further techniques added in this most recent June update. Between these two they're hopeful named monster hunting will continue to decrease. They've also released some numbers on recent bannings, trying to give us a sense of how active the team has been. Movement enhancers look to be the most-affected group, with 400 cheaters kicked in the first month of June alone.