...are a very successful pressure group.
For the effect a well-organised and well-funded group can have, read Polly Toynbee's critical article here.
Question: do the Taxpayers' Alliance really represent all taxpayers, or just those of a certain political view?
By the way - anyone who has done Bad Science in General Studies will recognise some of the statistical tricks the Taxpayers' Alliance seem to use!
There is also a clear link here to the role of the media in influencing the law - some newspapers consistently give the TPA coverage (look at all the Daily Mail stories quoting them, for example) allowing them to influence voters - which is just what pressure groups are for, whether you agree with their politics or not!
Great article here on how a group far to the right of the Tories manage to get so much publicity - three articles a day in the national press, compared to only a few per year achieved by the opposing Tax Justice Network...
Finally, have a look at the alternative "Real" Taxpayers' Alliance for a different view!