Hmmmm......less people driving and yakking at the same time. Less people in stores, restaurants, etc yakking to the annoyance of others. What's the downside?
They won't be able to contact loved ones in case there is an attack to say "I love you and good bye"/ or "They have survived!".
LOL...same thought. It will either increase or decrease the number of traffic accidents by 50%. Traffic patterns will go haywire.