The bad thing is...
They're destroying perfectly usable cars.
Besides, I don't really see how this helps the American populace as a whole.
It's just seems to be like another means of circulating the money from the tax payers.
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Many a time they are. I own a 97 Montero, it has 118k miles, but runs like a top. So the only thing I would be getting in return under the c4c program, would be better fuel mileage, that is if I traded it in for a more fuel efficient car and not a new gas-guzzling SUV(which people are doing). I'd also be taking on a monthly payment, were none existed before, so even the fuel mileage incentive is questionable.
I don't see it either, at least I see possibly flaws. Boosting the economy means creating the need for consumers when there's none to be had, not cramming spending that would have happened over the course anyways of 24 months into 3-4 months. Which logically is what happened in the c4c program for some of the participants.
It also likely hurt the some non c4c consumers, if you went to just buy a car while the c4c program was in effect, a dealer would be less likely to deal with you on the price, as he knows the car would likely sell at the sticker price when some c4c consumer comes in.
I feel congress is going to dish out another 3-4 billion for another c4c run sometime soon, as they'll be the "we didn't get to trade in out shit-box, now we feel cheated" crowd.
Well we should have done what China did and restricted it to the purchase of american cars
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Auto dealerships say their first profit margins in a long time, so it did help the economy by helping businesses.
And it promoted people driving safer cars. Safer for other users of the road, safer for the driver and his/her passengers, and semi-safer for the environment. I don't really care much about the third point, but whatever.
What I thought they could have done was use the scrap metal form those traded in cars for something worthwhile instead of crushing them, but you can't have everything.