That depends on which side of the transaction you are on and what you are doing.

You are thinking about it purely from a consumer standpoint, where credit cards are built on top of another currency.

Indeed I am.

In the case of a consumer spending money, a method of electronic spending that's not unilaterally reversible is most definitely a bug. For a lot of honest vendors that's also true - they want a situation in which people don't feel constrained from spending because of the high level of risk involved.

Reconciliation between finance houses? Not so much, sure.