When someone has that sort of money, the problems arise when they DON'T spend it.
He's no doubt got all sorts of tax benefits, but even so a large part of £100M has been put into jobs and specialist industry that wouldn't have been spent otherwise. In the grand scheme of things it is hard to fee fair that so much wealth sits with one person, but he's injected the equivalent of 2-3,000 Range Rovers into an economy, and you could argue that a new Range Rover is as far out of reach for the average person as that yacht.
Equally, how many people does it keep in employment? And no doubt it generates significant income – I might even pay for itself if he uses it instead of staying in Saudi Hotels.
Neil (the born-again capitalist) 