because youll make more horespower on the same boost with a turbo
because superchargers have disgusting adiabetic efficency .although the twin screws are getting better they are still not as efficient . and dont mention a centrufigal , you might aswell have a turbo .
top fuel cars only run "blowers" because of politics
did you know it takes about 1000 hp to drive a blower on a top fuel car ? could recover over 80% of this running a turbo