It is the same with antibiotics, people that naturally would not be able to reproduce, will, so the global genetic outcome will change, and possibly something m

It is the same with antibiotics, people that naturally would not be able to reproduce, will, so the global genetic outcome will change, and possibly something making a given person susceptible to a given infection will be passed to the next generation. But nobody, fortunately, pretends that it is a bad idea to give antibiotics to patients.