I agree. And if the transaction is limited to downloading it onto your storage card, it can be left up to you what you read it on. Even let someone else read it via copy-paste (does the newspaper care who you give your paper to, once you've bought it?). If the card has your account info, you won't give it away, and you'll only share it with close acquaintences. And if you want to save it, you can store the file elsewhere, like on your hard drive, in whatever format you choose.
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