Robocallers in the EU get meaningful fines. European telecoms providers proactively identify and block robocallers. VOIP companies that do business with robocallers lose the right to connect to the telephone network.

It's not an insurmountable problem, you just need regulators that give a damn.

https://ico.org.uk/action-weve-taken/enforcement/?facet_type...

https://www.ofcom.org.uk/phones-telecoms-and-internet/inform...