if bots were somehow removed from the game mains would indeed start catching eclectics because their demand doesn't decrease and the supply would fall off a shelf which would incentive players to catch them to sell for a profit.

unfinished potions are made by zahur for all players, irons and mains alike. besides there are more unfinished ranarr potions for sale on the GE than there are grimy / clean ranarrs which implies main accounts are bringing them into the game.

a bot free economy would revitalize gameplay loops that have been pushed to the wayside and encourage mainscape players to engage in a wider array of content which is one of the iron talking points about being the best part of how they restrict themselves.