I also don't really follow revel's follow up. Prescriptivists in the UK are in a defensive minority, and associations such as that for the defense of the Queens English are treated as midly absurd examples of British eccentricity.
In the US the same so-called rules are treated seriously and taught by many High School teachers who should know better, and if you want top marks on the SATS you have to play a guessing game about the examiners' prejudices. The idea that anybody can make up their own rules is no doubt American; as it is also grounded in American tradition that they can then abuse their position of power to force all others in their community to follow them, regardless (and irregardless

It is in the US that attacks on your individual linguistic freedom are much stronger, and have been so for over eighty years, pre-dating McCarthey as well as Bush (and being just as prevalent or even more so amongst so-called 'liberals' as amongst the traditionalists).