They are simply doing what they do. The critters will eat them if they scurry about on the ground. They are much safer underground, plus their main source of food is underground. They eat plenty of insects, insect larvae, spiders and earthworms -- something like 1/3 of their body weight per day

. For that reason alone, I will keep alive the few in my yard. I just pat the grass back down by walking on it. I don't try to get in a competition with them patting down all of their tunnels, but just pat down the ones in my normal path. They are typically find their food source in good looking yards -- plenty of well-fertilized grass which is often watered. You could alway opt for pinestraw rather than grass. Get rid of their food source and you will get rid of the mole(s).;-)
Where is Bobby J's signature line? I need to borrow it again. Twice in one day.