The fact is, most people want to play through a game once. This means that there's no shortage of used games on the market, which drives prices down, and that most people don't care too much about wear and tear, so long as it makes it through their first (and only) playthrough. There's no reason why the used game market shouldn't be eating heavily into profits. I should also point out now that people who buy and sell used games are doing nothing wrong. They are well within their rights, and I hope nothing I say below will contradict this.
Now, a lot of people here, as to be expected, are going to dismiss this as more industry whinging, but that doesn't mean it isn't a problem. You must remember that every big ticket game is an investment, and that every blow to profits will impact how many are made, and how much effort is put into the ones that are made. Basically, there will always be consequences, whether or not we want there to be, no matter how dearly we hold onto the right to sell used games. This means it's important to actually think about it; to weigh options, rather than to just knee-jerk and automatically take the side against the people you hate.
I myself am undecided. On one hand, I buy my fair share of used games (although I tend to hoard them and play some again rather than resell), and I would be very sorry to see the used game market dry up. On the other hand, a lot of the same logic behind copyright applies (albeit less strongly) to stopping used sales. Like with copyright, in the long term, there is no significant detriment, since the alternative makes the contested product infeasible. What's the point in having the right to copy something that doesn't exist? Similarly, what's the point in having the right to resell something you can't buy in the first place? If certain works become infeasible to produce, then everyone loses. Not just the studios, the developers, and their first sale customers, but also the people (like me) who buy them second hand (and, I guess, even the people who pirate them). The only people who at least break even are those who don't buy them in at all in the first place.
I know that some people will applaud the death of the bloated, overpriced, overproduced, under-creative AAA game, but their personal preference is hardly the point. Not every choice must satisfy every consumer. As usual, if you don't like something, for whatever reason, you do not have to buy it. That doesn't mean that it's a good thing that nobody can buy it. If there is demand for it, then it is something that we don't want to lose. Of course, if we want even more what we're giving up instead (i.e. first sale rights on AAA games), then we'll just have to eat the loss. Either way, we are losing something of value, which is a sad, but as of yet unavoidable state of affairs. Like I said, it would be sensible to consider both sides and make an informed and rational decision about what is more valuable to us.
Please mods, this is not a troll. As always, I am simply trying to invite a healthy debate on the topic, and not turn it into a matter of foolish pride and revenge (which most issues surrounding Big Media seem to be). If you disagree with me, please reply. I would be more than happy to debate with you, to listen to you, and hopefully, be proven very wrong!