Those numbers are most of the time flagged as "fake" or "shared" by big websites. So, this click bait is kinda outdated, I think. Furthermore, iirc, Google has

Those numbers are most of the time flagged as "fake" or "shared" by big websites. So, this click bait is kinda outdated, I think. Furthermore, iirc, Google has a limit of numbers that you can reuse. You can create at most ~5 accounts with the same phone number. As those websites are used by ~100+ people, you can quite imagine that those numbers are flagged very quickly. Thus, useless.