Why did the 2012 logo cause so much debate - and so much of it hostile? Apart from the obvious answer here in the UK, i.e. it was featured heavily on the BBC news, I think it's because of the increasing obsession with logos and their appeal (or not) to people.
As marketers we should all be aware that the logo is NOT the brand nor even a shorthand visual representation of it, but for the mass audience sometimes this becomes a fact that is increasingly hard to see.
The truth is of course that the logo means nothing without brand values associated to it by the target audience. This post by Seth Godin as usual is right on the money.