With so many advanced solver tools out there today, do you still find that posting a hand history in a forum thread and getting direct feedback from human peers is more valuable than looking at a sterile GTO chart? Why or why not?
Tiger Woods was quoted " I have a swing coach because I cannot see myself swing" Both solo study and then sharing with others is the best way to grow.
Other players see your action ask you why and that leads to deeper understanding of your thought process. Others can also share what they have learned that you have not yet.