Many of the telegram groups which give signals are run by the same people, I have noticed on multiple occasions of the groups giving the same signals. Many of the groups also conduct coordinated pump and dumps, and they usually send it in all the groups to gather a greater audience. Although some of the signals turn out to be correct, always do your own research before making a trade.
Of course you should not do that because there is basically somebody's else opinion. And this is done in my opinion too blindly trust your money to a stranger, who has now offered in your prosperity.