I think you're either overestimating the value of experience and title gained at a startup, or undervaluing the same at established companies, or possibly both.

I think you're either overestimating the value of experience and title gained at a startup, or undervaluing the same at established companies, or possibly both. Having a role at a startup doesn't automatically imply useful experience has been gained, or that the specific position and duties are somehow more solid than equivalent roles at established companies.