Someone have mentioned spam after being forced to provide his/her phone number to Twitter, and I have known of similar cases in 2019. I also remember a case whe

Someone have mentioned spam after being forced to provide his/her phone number to Twitter, and I have known of similar cases in 2019. I also remember a case where the police matched a twitter handle to a phone number and proceeded to arrest a guy who have been a strong activist against electronic vote. So I can conclude that this bug was well known at the beginnings of 2019.