Meaning that before hopping onto a particular signal/ signals, you should already have a personal strategy or signal on ground which will then be used to compare with the signal you got to know if you are right on track.
There are beginners who want to trade and are willing to pay to obtain trading signals. Even some signal groups provide analyses according to the requests of the group members for the desired asset analysis. Indeed, there is nothing wrong with joining to get trading signals; it's just that those joining the signal groups are not doing so to learn. They want to trade instantly without going through a complicated process. Currently, it should not be difficult to find sources of information for practicing trading.