Yeah, what he said.
I hope you don't take any of this stuff personally, Rob. If people didn't want to see you get better, they'd just ignore you.
You are fortunate that you have a few experienced people to give you some good free advice. Soak it up.
You'll get fast with more schools and seat time. You have a great car to work with, you just need to keep the big picture in mind. Leave your ego and prejudices at the track gate, and try to learn as much as possible. You'll get there....