I think this is a bit naive. You seem like the software engineer type that thinks the company revolves around you, that both middle-managers and upper managemen

I think this is a bit naive. You seem like the software engineer type that thinks the company revolves around you, that both middle-managers and upper management are clueless, and you could do anybody elses job if you just put a weekend into studying it. Getting a MBA, getting experience leading companies from the director level, then VP level, then CEO - that is valuable experience.