Credit card only for emergencies

Some people apply for credit cards and maybe a year and have never been used. You pay monthly fees imposed, if any. These people have simply extended the credit card seems to be able to use them and know they could use if they wish. Many unsecured credit cards to finish off everything. So why do not people use them to pay by credit card? It's fear, or should be in cash, using not only crossed his mind in the credit card in the first place? It could be that way, but believe it or not, this is absolutely true. Many people who have been authorized for unsecured credit card with a credit card for emergencies. So we know we have the means to do everything that is important and who currently receive only cash for the joint project. This is a good idea, and those who have control over their spending habits in a position to do so. As if the card is used directly in your wallet and forget, or do not really have.
Although several people said again that there is a credit card in hand, help yourself, but go and use the maximum amount. Then, when the monthly bills to pay only the minimum that can be taken to keep the credit card. I think the idea of creating a credit card for the sole purpose of this emergency, where life is a good plan. And everyone knows that times have shown, often more than once. In these cases, the only person who can work with the credit card used for the sole purpose of an emergency, was much faster for the simple reason that the card in general, you can get the maximum amount and simply and quickly, before any refund interest collected. Not to mention that not to mention sharing the costs of the proceedings, at least every month, you only pay the amount spent for emergency purposes and then return the card in your wallet password, but all are still in use until the next emergency, and now look after cash flow to tackle the problem. This in turn based on your credit, if people can or not. You see, when one sees the use of credit card and then return and pay quickly, because of what your credit score, respectively. credit history as a whole. So what are you?
The fact that the credit card for emergencies, literally, can forget the absolute necessity and use it if you are a person who goes out and consumes the maximum amount, and pay only the minimum necessary use each month?