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It isn`t only analyze. It is using different software, sometimes it is about cheating. Not everybody likes it. I think that we can study to analyze in such groups, but i don`t think that we can study how to develop some software. The same time it is difficult to use 2-3 types of software and analyze matches the same moment. But it is all about details. The main idea is that there are such real groups and it is possible to get stable profit from these groups, but we mustn`t give our money for every group we see.
To create software requires expertise, and not everyone can create it. Only people who understand software and can program can create software. But it is true what you say that we can also learn to analyze from that group better. And the best part is that we will not depend on that group because our analytical skills can improve. But even so, we still have to keep learning to be better than before. So learning to analyze will be useful for improving our analytical skills so that we can be like that group and not give their money to them.