timppu: I don't do any trading myself (I buy what I want, and that's it), but why is trading of keys considered bad and harmful? It isn't the same as making copies of keys, right?
Is it because of the sites like Humble Bundle who offer several versions (e.g. the HB version, and a Steam key) with one purchase? Or what?
If the problem is people hoarding (buying) cheap keys when some game is offered at discount and later selling(?) them for profit...
Both and more. Reselling is copyright infringement. When you "buy" a digital game, you buy the permission to play it yourself, as an end-user.
timppu: wouldn't a better approach be to limit the number of extra-cheap keys (for a given game) that one user can buy?
Not possible - identities are cheap.
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Now, I'm a utilitarian and a pirate, so I don't think there's any fundamental human right reason that the law should work this (or any other) way. Why isn't a game like a physical book? Books could never be traded instantly, but games under an identical rights managing scheme could be. As of this writing, I have 1596 games in my GOG account, and I'm not playing any of them. If lending was possble, I could launch a sharing p2p service that allowed people to play idle copies. I'd even implement an option for myself to kick a player out of a game I personally wanted to play.
This is when the likes of Rick Falkvinge shout, "No one owes you profit! Corporations don't have human rights! If you can't make money in the modern world, get off the market!" And from a utilitarian standpoint, that's correct when talking about corporations vs collective action. When we the people overthrow the Mouse, I'm going to celebrate. But while international corporations are still writing laws and toses, individual "be the change you want to see in the world" action is
leeching and it doesn't fucking work.
Free trading will not hurt corporations in the slightest, because they'll come up with more legal and technical obstacles to it, but it will kill indie gaming. The only reason indie gaming exists right now is that games are cheap and trying to pirate them is a waste of time. Humble can offer their extreme discounts because said discounts are time-limited so people can miss a bundle AND they're getting games they might not necessarily want to play. If offering your game in a bundle means there will be a functionally unlimited supply of cheap codes on the global trading market, that'll be the end of bundles. If offering your game at a discount means the price can never go higher, that'll be the end of discounts.