Bootcamp sounds like it’s made up of arrogant idiots. I agree with above poster- read some great books. “Hooked” is another I’d recommend.
Try your hand at applying to some companies that have SOME intersection with what you do now, and try another bootcamp ( I did the GA accelerated and it was a nice intro )
Did a quick search on coursera as well and found this
Introduction to Software Product Management | University of Alberta https://www.coursera.org/learn/introduction-to-software-product-management