Episode 2: When my daughter was in junior high, I went with her as a sort of parent/helper/chaperone/camp councilor for the three or four days her school was at the camp. One of the girls in her class, who I knew from other activities as someone past "extroverted" by several turns of the nob, was in her element, because there was a sort of award at the end of camper with the most spirit. She was a megaphone on legs, and I never saw her inactive or non-vocal. Your could have given her a thousand decibel handicap, and she'd still have won the spirit award--which she did--with no close competitor. We encourage this stuff
Episode 3: Laura Ingraham, Rachel Madow, Rush Limbaugh, Bill O'Reilly, Chris Matthews, Sean Hannity, etc., etc., on any weeknight. Screaming. Interrupting other people who then scream louder.
If you are having trouble coping with the world of screamers, if it exhausts you, you might want to watch this amusing TED Talk by Susan Cain, who has just written a book on introversion entitled Quiet: