I hear you RMC.
About cellphones and gas stations - one can still dislodge the battery even with the phone off - actually to make a short with coins it has to be in a pocket or bag but never when kept in hand - do you think the prohibition is intelligent ?
and, FE Hoppy was talking about laptops with WI-FI that very much transmits, allowed and encouraged by Boeing and innovative airlines:
http://www.connexionbyboeing.com/
Are you ok with that ? Even if 50 passengers were using it at the same time ?