ISPs already deal with abuse reports like this, the system just isn't being operated comptently.
You actually think the actors that went to the trouble to surreptitiously set this infrastructure up are going to share it with everyone for free?
They are intentionally made hard to detect and access is sold to the highest bidder.
Most ISP abuse reports are routinely ignored. They might as well be a dead letter box.
Okay, I was being imprecise. These residential proxies aren't "open proxies" in the traditional sense, but they're usually "open" to anyone willing to pay a small amount of money to use them.
> Most ISP abuse reports are routinely ignored. They might as well be a dead letter box.
This is where regulation might play a role, or at least a change in attitude. Companies shouldn't be allowed to pollute the internet in this way when they can easily prevent it.