This is my view but I respect the points made earlier.
4x4's do give far less mpg (and CO2 generally
), use more resources to build, and more to run (eg. tyre wear) are far more damaging to other road users and pedestrians in an accident and, apart from driving position and road presence, offer little that a smaller, more efficient car could do...
The caveat to this is, if you have a genuine need to a 4x4 type car then fine buy one. Most boat owners that use trailers will go down this route, but as has been mentioned previously, how many of these 4wds are bumbling around in towns, never using 4wd or any of their capabilities. That is why people are getting funny about them. Just think how many 4wds you saw on the roads 5 years ago, against now, and it ain't like Britain is getting more and more rural....