If you work in a good place with one huge flaw, and management assures you they will address the flaw, then you blow up one day because they haven't addressed i

If you work in a good place with one huge flaw, and management assures you they will address the flaw, then you blow up one day because they haven't addressed it yet and quit, that's an impetuous decision for a good reason. It's not necessarily rash, foolhardy or reckless, since those are synonyms. In this case they are similar, but not exactly the same.