Over here, you'll pay $7.99 for a 568ml bottle of Bulmers in a 'bottle shop'. That equates to... £5.35ish. That's for one bottle. In a shop. I've not been to a pub yet to see the price comparison, but clearly it's not cheap!
The cultural approach to alcohol is hugely different, and it's that different approach to alcohol that the government in the UK is trying to reach, despite whatever 'public service' puppet it tugs across the stage for the public to lap up. As a government, if your public drinks less then they'll be less of a burden on your resources, and potentially more efficient. What's not taken into account, and what is the hardest to take out of the british DNA, is the almost innate relationshop with alcohol that has been brewed (excuse the pun) over the centuries, as well as the ingrained british natural desire to balk at what they're being told to do.
Over here, it's legal to drive bare foot, or in 'thongs' (as in the flip-flops, not the panties!). I'm sure there's been some sensible research into the dangers to public 'health' with unshod feet behind the wheel, but if you attempted to ban such behaviour here then you'd have an absolute public outcry, demanding heads to fall.
Ultimately it's not about what's good and what's bad for you, it's more about one's liberty, and perhaps a smidge about the 'elected' governing body doing what can easily be percieved to be an act of kicking the people while they're down. It's no secret that those who turn to drink are those who have a harder time dealing with their socio-economic status (there are factsheets that can be faxed out, should the ex-cite-ables be aroused), and it will be those with the lowest income that will find the only luxuries currently affordable - that's pints and quarts, not 3D TVs or other luxuries that are rather more what the lowest earners would deem to be the 'rich man's' luxuries and the poor man's daydream.
Fact is, the government needs more money, and the alcohol/cigarette duty is something all parties have meddled with. It's 'safer' for them to retread this area of tax where the argument is easily won. Happiness is irrelevent, says the government, when your health is at risk! [/slight hyperbole]