That was then. This is now. His suggestion was to yank him now and you said the same thing would happen again and that is what you'd do as well if you were an owner. My point is that there is a shit ton of other things to consider along with experience.
It isn't all that matters. But it use to be an advantage. These days, it just puts you on the same playing field as your peers. For example, I throw resumes without college degrees in the trash. Then from that starting point, I see who stands out.