Earlier quoted context omitted.
What? That seems totally backwards. Don't spend money you don't have, which mean using debit. Credit is useful for the single use case of buying a house.
Why spend your own money when someone is willing to loan you money for free, will give you some of your money back, and will also protect you against consumer issues? You’re leaving money and protection on the table by not using them.
A bank is a lot smarter than me. It wouldn't want me to use credit cards if it were in my advantage.