As Paul Kenny says: "The new rate of 18% still leaves the multi-millionaire elite paying a lower rate of tax on their income than ordinary working men and women. There is no justification for affording privileges to this elite and indeed proposing to continue to do so is scandalous. It is time that the few were treated like the many."
Tony Juniper also thought it was bullshit; greenwash, no less. So you have the flip side of the coin to back up the existing, more obvious social injustice: Climate change. The malignant side-effect of the obscene lifestyles of the worlds' richest that will kill millions of the worlds' poorest.