The whole buy up to save thing is flawed. And it isn't the way our economy. What about a mortgage? You going to save up £250,000 for a house and buy it cash? Or is a mortgage "good" debt and a credit card "bad debt"?
The difference is credit cards are used to fund things like trips to expensive restaurants, LCD TVs etc. Someone on the minimum wage could easily save up for and afford a 32"" HD TV. They could not save up for a £250,000 house. We also all need a home, we do not all need expensive luxuries which credit cards enable you to cheat your way to owning. Even with cars, credit allows your average joe to buy something like a Nissan GTR/ BMW M3 without much hassle.
I don't see how it's flawed. Wouldn't it be great if we could all start off in life driving SLRs and drinking Cristal, only to pay it back later when we've moved up and on in life onto better wages. That's not exactly how it works, well the same concept should apply to credit. It also results in consumption cycles in the economy as you can't indefinitely maintain the high spending associated with freely available credit, that is partly why we are in the economic crisis - because consumption has plummeted and mr "I don't but my 20 years wages OWN my M3" can't afford to pay back the debts.
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