You're probably in a state with "at will" employment so there's nothing stopping your employer from firing you for any reason short of discrimination or retalia

You're probably in a state with "at will" employment so there's nothing stopping your employer from firing you for any reason short of discrimination or retaliation. If they haven't fired you or even so much as given you a warning, then you are clearly satisfying your end of the agreement, by definition. (You don't even have the insight to make this determination, so you have to go by their actions) That five hours a day of paid time off is the profit you earn for doing a good job. It is up to you to efficiently reallocate those resources as demanded by CAPITALISM because the company is unable to.