Immediate hate, unfounded accusations of trolling, and raging. Nice, off to a good start here. Lemme see if I can clear the air.

He hasn't even used any sound powers other than flying. A sonic boom would certainly knock people ajar when they're not expecting it, but nothing he's done so far would seriously damage even a normal human. He just flew in really quickly. Emphatic isn't going to go around blasting people's eardrums out willy nilly for no reason. He's not a monster. The earplug crack was just a joke and an observation about how it could be a problem because people's ears are sensitive. Besides, the volume is proximity based. Doppler effect, yo. 

Danke schon, Yog.