Over the last decade, everyone has already standardized on USB as the default. Everything I need to charge can be charged off a USB port, and I only need 2 different cables, one for my wife's iPod, and a micro USB for everything else.
The reason this is a terrible idea, is that when someone does come up with a better connector (for example, Apple's Lightning connector), they may not be able to produce/sell it because the standard has already been set. As usual, the EU is late to the party and trying to solve a problem that's already been solved, while potentially causing problems for the future.
The problem though is that nobody besides Apple can use the Lightning connector for the time being. Having something as a standard is better than having nothing as a standard. I could argue just as well about how unsafe wall sockets in the US are or how big and heavy the wall plugs in the UK are. At least they have something defined.