Inefficient for the company maybe, but if you are not going to be paid more for extra work or diligence, and the work you are doing is not particularly meaningf

Inefficient for the company maybe, but if you are not going to be paid more for extra work or diligence, and the work you are doing is not particularly meaningful or helpful to others (could be wrong as I don't know what we're talking about) why would you work hard unless you are larping?