For context, Japanese mobile lines for children include net filtering by default. Also, mobile lines require positive ID to get, so you can't simply get a burner mobile line. A phone number that can send or receive phone calls or SMS is tied to a real world identity, and transferring is illegal. So, a neat way of requiring ID checks is to simply offload these things to carriers with phone number validation. In contra…
> In contrast, the US is an example of a country where getting a phone number with no stringent ID check is trivial and it can easily do SMS and phone calls without a second glance. And the funny part: you buy it from the at&t store, you start receiving dodgy calls and texts almost immediately because those numbers are recycled.
A search for "professional TCPA plaintiffs", reveals some interesting links:
https://www.leadgen-economy.com/blog/serial-tcpa-litigators-...
https://www.consumerfinancialserviceslawmonitor.com/2023/09/...