more heat than light wrote:'Should' being the operative word there. It's genuinely not worth the risk, no matter how small.
To be fair, that applies to every digital purchase as well, given that we don't really own it and access could be removed at any time (especially with Sony's attitude to backwards compatibility). "You should be able to play it in the future" probably applies to a lot of digital content, moreso stuff with online modes and loads of patches.
If you're not desperate to play it, it will inevitably be £20 at some point. Might take a couple of years to get there.
If worse comes to worse, just move to Argentina do you can keep playing it. Then games would be cheap all the time.