We can't. This is 100% on the developers

They have to make a decision: Are bot accounts that pay money worth what they're doing to the game.

So far the answer is yes. Botting is pretty bad and pretty obvious. I was in eastern thanalan a few weeks ago and saw over 15 BLM at the trainer with names like Adjklaslk Jlksdfoug. There was an A rank nearby killing them and they'd port from wherever they died to right back to the trainer. This went on until the A rank was killed about 15 minutes later.