This is all a bit 'nothing to see hear, move along'!
Why doesn't it mention the common practice of the very wealthy to not take a appropriate salary and to re-invest dividends into stock, which is never taxed as the the profit in the stock is never realised, but then to borrow money to maintain a lavish lifestyle at a far low interest rate than they would pay in income (or even capital gains) tax, using the stock as collateral? The argument here is that you can't tax wealth held in stocks as they could tank and be be worthless next month, but somehow these potentially 'worthless' stocks can be used to secure low interest loans, to be used instead of taking a taxable salary.
Also, no mention of K2 type schemes, which became famous when Jimmy Carr was publicly shamed for participating in!