Yes, I agree with you there. But managers have a responsibility to make sure systems are in place where if a worker does not self-manage or make a bad decision, this gets caught early on, not 34,000 feet up in air.
K, so what happens when the documentation says X and your line manager's boss is threatening to start sending folks home if y'all don't get the lead out? You get what you incentivize. :P
Managers are coming with a better compensation exactly because they are taking responsibility. If not then they have to be paid at the same level as workers.
That is "professional" level work ethics and requires professional compensation. This utopian corporate notion of yours makes sense IFF the company is not divided into c-suite princes and princesses and pleb workers as is the case in corporate America.