It'll just punish the bad actors running the scrapers. As the original poster mentions that they are using TVs as proxies to get residential IPs, one really can't think of these bots as criminal enterprises.
Sadly, if the bad actors has two cents for brain, they'll limit how much importance each domain name can have on training data. To mitigate impact of bad data like this.
(Note I'd suggest only linking to them from robot.txt as pages to not be indexed, that way no human or well behaved not ever will see them, which is kind of the point).