Firstly, Dave - calm down. I never knocked the skill involved in drift. I think of it similar to WWF 'wrestling' or a fistfight in footy. Very showy, good entertainment, but not what is normally considered the pure form of the sport. My opinion may differ from yours, but please do not consider that I underestimate the skill required to keep a car on the road (around corners) when the two back wheels are usually driving hard in a direction different to the one you want to go in.
You are right, rice boys and wannabes are the main users of spacers, in fact I know I stated that?
You must have flares to be a rice boy, therefore...
As it happens, I was waiting at the local takeaway on Sunday night and picked up a recent copy of Import Performance to flick through. It had an article on wheel spacers, trying to help people understand what happens when you put them on your car. They were talking BIG spacers 1" (25mm) kinds of sizes. Not once did they mention the hub collar, or anything to do with supporting the weight of the car. In their opinion the main reason that you put spacers on was to fit deep dish rims and still clear the inside of the wheel from your suspension, not the brake system. Apparently deep dish it is THE look from Japan, accentuated by fitment of smaller tyres than the rim is designed for so the tyre sort-of leans inward from the rim edge.
Interestingly, elsewhere in the magazine was an advert for spacers that made a point of the fact that they were better than most as they were available with a hub collar.