They exist because of GeoIP databases, and spying on "quality of IP address via ASN".
If you try to use a normal VPN, you get rate limited or blocked everywhere. But if you switch to a residential proxy, all those problems go away.
To be fair, if all you're doing is torrenting or similar copyright infringing actions, then a simple VPN is sufficient. But if you want to do web stuff, you gotta use a residential vpn. Not much way around this.
If you try to use a normal VPN, you get rate limited or blocked everywhere. But if you switch to a residential proxy, all those problems go away.
To be fair, if all you're doing is torrenting or similar copyright infringing actions, then a simple VPN is sufficient. But if you want to do web stuff, you gotta use a residential vpn. Not much way around this.