Shocked by Dustmite Video

My wife was shocked to see the dustmite video. She asked me whether changing our new pillows, mattress protector really helps. How about the mattress itself? I could not answer her. Don't tell me I need to hire a pestbuster? It can't be that exaggerating right? But can the pestbusters really sucked out the dustmites? I'm still trying to get and talk to my friend who has the dustmite video.