Two excellent reasons to OPPOSE gay marriage in the UK

[Ryantology]

My apologies, but you did open with this:

Poor choice of phrasing on my part. Apologies.

Given that the kind of systems I'm familiar with (UK and to a moderate extend, the US) have both an income tax and a form of sales tax, any real-life impact that currently exists would be much better for everyone if only a sales tax existed, because people would have more money to spend / save.

Under a progressive tax system, people who have the least amount of money would have more to spend and people with the most amount of money would, in any reasonable sense, still have vast amounts of money to spend on whatever they wanted without any practical limit.

Unless there is something approaching equality in income (there is not and I think you'll agree that it should not be), then equality in taxation is not really fair at all.