Helping individuals and teams improve their software development practices.
Introducing testing, test automation, CI, CD, pair programming. That neighborhood.
I would also add: get feedback, look how others work
Also the "conscious incompetence" as you called it won't go away. The more you know the more you understand how much you don't. You just get used to it and you get the confidence that you can overcome it.
For further actions, you may consider blocking this person and/or reporting abuse
We're a place where coders share, stay up-to-date and grow their careers.
TL;DR practice, practice, practice
I would also add: get feedback, look how others work
Also the "conscious incompetence" as you called it won't go away. The more you know the more you understand how much you don't. You just get used to it and you get the confidence that you can overcome it.