Seeing them having mistakes with their grammar, you should already have a hint and question their authenticity so that you can avoid getting scammed. Those are the lowest kind of scammers who rarely becomes successful with their schemes and only those with the lowest intelligence will be victimized by them. There are no need to fear such scammers obviously, you should fear those who can camouflage in different platforms and appear legitimate that even the long time owners or crypto enthusiasts fail to recognize. Always be responsible with your decision making, study whatever you will enter or transact with first to avoid any form of regrets.