Let's see, there are two reasons this action is being taken by America and the UK this week.
1. Because they want to make your life difficult, when you fly to Syria or Iran, and thought this would be a fun way to stir upr the world!
-or-
2. There is credible intelligence that an active threat situation has come up, that disallowing large electronics until better scanning can be installed, will possibly save lives.
If any of you have ever served your countries in the military, I'm sure you've seen the levels to which ISIS and terrorists will try to blow you up in cafe's, bars, trains, subways, buildings, and...yes, Airplanes. Any of you smug fellows that want to whine about his recent action, do me a favor. Go to Iran, Afghanistan, or any of these countries, and walk up and down the street pounding your chest about how stupid this law is. You will either get wacked right then and there, or recruited to help them.
Blather is easy from the safety of your home. Fly from one of those countries, and hope your life doesn't end in a ball of fire at 35,000 feet.