This is one of the reasons signals group aren't recommended because it'll make you lazy and neglecting to learn how to read charts and predict yourself how the market is going to move. When you start getting signals and they're working well for you, you'll want to remind at the stage you're and this will be dangerous as you won't be getting any real experience as a trader and can't find reasons why the trades that didn't work are doing so, you'll be left in the dark.
Signals are only good for a short while and you can use them to raise capital for yourself but if you want to become a professional trader then you need to be doing things yourself so you can learn from your mistakes and improve on them while gaining experience as well.
most beginners in trading are often interested in channels that share trading signals. not necessarily bad, but for those who don't have the ability to re-analyze the given signal. this can be bad. especially when the signal is given for some altcoin or even shitcoin. remain careful in choosing the channel, sometimes there are interests of pumps and dumps that are intended for the benefit of only a few parties. keep learning and developing our skills will be better.