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So many people are using others to learn, just not directly mentorship and chatting, so while you are "self taught", you are not really all by ourself and that is the most important part. I do think there will be a lot of people who will use this as advantage and we are going to see them do fine as well. This is just how it is and we are not going to see much changes in the future. So, learning that way is the best way to move forward IMO as well.
Yes, actually I don't really study by myself and make everything up by myself, I just read and see articles or videos that have been made by others for a learning.
This is knowledge that can be obtained for free and is just not taught directly by people who are already experts.
Starting to develop knowledge and practicing what you have learned will further hone the knowledge for the better.
Experimenting on your own to find a new formula or a new way that is more efficient than what you have learned, this is a good development.