There's no technical or legal reason that the word "purchase" doesn't imply an irrevocable, transferable license (for one person at a time), as well as the requirement that the "seller" makes the licensed good indefinitely available to license holders (for a fee appropriate to cost of doing so).
If they don't like that, don't call it a purchase. Anything less is just eroding the meaning of the word.
I suppose I could have put ‘sales’ in quotes. And it’s not how I think things should be. It’s how they are. Read the terms next time you ‘buy’ a digital product.
If they don't like that, don't call it a purchase. Anything less is just eroding the meaning of the word.