This is an example of the more-maximum fallacy. Actually utilitarianism suggests the maximum happiness, not more happiness. This presents a false dichotomy between two non-utilitarian worlds, the actual utilitarian world is the unwritten third option—one in which the greater number of people is happy. Notice this third utilitarian world is also more palatable for other moral theory followers.
This is an example of the more-maximum fallacy. Actually utilitarianism suggests the maximum happiness, not more happiness. This presents a false dichotomy between two non-utilitarian worlds, the actual utilitarian world is the unwritten third option—one in which the greater number of people is happy. Notice this third utilitarian world is also more palatable for other moral theory followers.