3 Problems With UK PM Cameron's Crypto Proposal

It seems that David Cameron has a desire to return the UK to an agrarian society. This by virtue of his promise to ensure that their are backdoors in  encryption implementations so that law enforcement could monitor all encrypted traffic in the UK. This week the UK prime minister dropped a gem of a missive. He let it known that should his party regain power for another term that he would see to it that encryption would only be allowed that could surveilled by the government.