That's what they write me
user blocked
But at least they did it!
Twitter does NOT respond to my reports.
I tried to prevent the scammer from deceiving other people, to every @YobitHelp_ tweet I wrote a tweet to the answer.
"be carefully, @YobitHelp_ is scammers.
proof https://twitter.com/frank_zas/status/1156327526089842688"
And after a while I was blocked by @YobitHelp_.
Thus, it turns out that Twitter protects the scammer.
He has been "working" since December 2018 and has already collected at his address more than 2 bitcoins (and he probably has more than 1 address)