Would be really nice if the devs could post an official information that they are aware of the scammers and try to do something against them
I think they pinned a message about it or even they didn't do that, i absolutely think they must do it. People sometimes can get careless and do sth. stupid so every campaign manager, community manager should increase awareness about this situations.
They are certainly aware of it.
Here is one of the messages pinned on their Telegram group: