But I think there is something very distasteful about a man as wealthy as that scrabbling around to make sure he doesn't pay a penny more into the pot than he has to. It was hardly the difference between being able to pay his mortgage or not, was it?
Have you never tried to pay less for something? Do you really think there is a moral difference between "scrabbling around" to get a cheaper phone contract/gas supplier/whatever, and paying less tax, if you legally can?
(Though that comparison is unfair to him, as tax is his biggest bill, and it will be concentrated into very few years in his case, so actually there's far more to be gained by minimising it than other household bills.)
I know some people think tax is different to other things, but their position is unlikely to be rationally defensible. They've really just bought into political propaganda and not thought things through.
If his tax scheme had worked, and he'd give the money saved to Oxfam, would he still be distasteful in your eyes? If not, then the issue isn't avoiding tax, it's failing to give away money. What proportion of their money should the wealthy give away to satisfy you?
I think you think the money that equates to "tax avoided" somehow isn't both legally and morally the property of its legal owner.
It suits politicians to try and create a climate where tax avoidance is frowned upon. However anyone, politician or not, who joins in this is attempting to replace rule-of-law with rule-by-witch-hunt.