Does there exist a thing called "effective management" or not? Do you just give a free pass to all companies for all actions? Is there any evidence that can exi

Does there exist a thing called "effective management" or not? Do you just give a free pass to all companies for all actions? Is there any evidence that can exist that supports bad management, given that complaining isn't evidence, leaving is not evidence, calling it out isn't evidence sufficient for you? If Paul Graham called it bad management would that suffice?