This happens quite frequently to a lot of people. Credit card issurers. Make money off cards two ways,

1) at the point of sale, each time a card is put through one of the machines at the register, the card company is credited a processing fee from the store (this is actually built into the cost of everything we buy)

2) Interest collected if you carry a balance and or any customer fees

The company also incurs an accounting charge to itself for the line of credit you are carrying. Card companies track profitability per user. So if you card is dormant X number of days then the system is programed to cut the line of credit(deactivate the card) due to the fact that they are not making any money from you doing either of the above.

Not all companies do this. Whenever you apply, read the fine print, it is disclosed there.

I do not agree or endorse the practice, and I consider it poor customer service.

TJ