Final answer:
Rule utilitarianism may allow certain bad acts, such as lying to a patient with a life-threatening illness to provide hope and better quality of life, when those acts lead to overall greater happiness.
Step-by-step explanation:
Rule utilitarianism may still permit certain bad acts if, when applied repeatedly as a rule, those acts would lead to overall greater happiness. An example could be lying to a patient with a life-threatening illness about their prognosis. While lying is generally considered morally wrong, a rule utilitarian may argue that this act would be justified if it resulted in the patient having more hope and better quality of life.