[quote=Raineh Daze]
Because some pretence of realism is desirable, eliminating them is more plausible than directing them whilst moving at supersonic speeds. Also, the Flash and Superman aren't in this thread. They are bad examples.
[/quote]

the moment you bring in magic then realism is debatable, and controlling sound waves is a common super power so once again this is superheroes, almost anything is possible.