Seems reasonable... (I saw another person comment on what you meant)
Its like, very true.
If I run 30 bot doing yews, (EXAMPLE) it gets me 30k yews an hour, I'd sell in ge, and it would cause the demand for yews to drop slightly (With more bots per person doing this, it'll cause a dent) overtime yews will be flooded in GE, causing the price of yews to drop.
Dropping GP price = dropping $ per hour made botting.
Pay 10$ for a wc auth, useable on 1 bot. Means you'd have to chop over 30k yews to make up for that 10$ auth code, which will be pointless(It'll take more than 30k yews once prices drop of them being flooded in the GE)
Less people doing it because there is no money to be made = less gp coming into the game (Even if people continue to bot yews, it will bring more YEWS into the game, not gp, because no one will be buying, and it'll be a lot cheaper)
Less people doing it = less gold being sold = gold price rises.