The difficulty with that is the reversibility of CC payments. A user could buy coins using their CC, then go to the CC provider claim they were scammed and get

The difficulty with that is the reversibility of CC payments. A user could buy coins using their CC, then go to the CC provider claim they were scammed and get not only the coins they bought but also their original payment. This is why you should not buy BTC with services like PayPal. There are a number of services that will be opening their doors in the coming months that will lower the barriers to fiat <--> btc conversion.