Just install a Russian locale on your computer to prevent malicious programs even starting and get on with your day because it's the truth.
Snowden is a free man in 2026 despite the United States of America very much wanting to put him in jail.
>they could do the hard job of combining leads and working with appropriate agencies to maybe find and prevent these things over time
At least in the U.S., everyone will cry government overreach and no one will fund it. In other countries, they should probably just ban U.S. platforms unless they're reachable and actually resolve these type of problems.
Try that and see your champagne exports be tarriffed with 100% in no time.
I wonder why such common sense laws don't exist and who is preventing them from being introduced and passed despite wide public support in general?
The problem with a phone number you suggest is that it will get spammed and abused with fraudulent imposters too (the complete and utter destruction of trust in phone calls and text messages should also be corrected by the government, but that's a different topic).