This is correct, while I do not agree with the idea of copying someone else or relying completely on them if someone is looking to do something like this then it is a huge mistake to think they are going to find a legitimate group at telegram of all places, when we know the place is full of scammers which want nothing but to get your money through all means possible, so if someone is looking for something like this their best bet is to use an exchange with this feature.
There are features that allows copy trading but it's not that good at all if someone will rely on completely. That's a wise strategy if we're going to think of it.
But doing that, you'll eventually realize that it doesn't look good if you'll be copying others way of trading because it might not work for you.
I guess for starters, it's a good way to start trading but if you've already learned the basics, make your way to your own strategies.
I think this will be much better when the general market is on a good move or bullish movement. Only if op decide to be trading on a downward direction then he can make some profits