You would probably just start seeing worse and worse ads [0]. Legitimate ad accounts would stop bidding on your profile so you'd be left with only scam ads.
[0] https://www.theawl.com/2015/06/a-complete-taxonomy-of-intern...
[0] https://www.theawl.com/2015/06/a-complete-taxonomy-of-intern...
i used adnauseam a while ago. it clicked on about 1.5 million ads in half a year of usage.
Not sure i can give good reasoning for this, but it felt like doing the right thing. :)