Oh no, we understand that.
It's quite simple. If the game is any good, then there won't be any used copies to by simply because no one wants to sell it.
The publishers' main concern is that first initial rush to buy the game after its released; that translates into money for the developer. Long tail sales are irrelevant and the royalties are crap unless you wrote Starcraft. So if you can make your game last for four weeks before someone gets tired of it, you've succeeded, you will get ample cash money to fund development of the next one.
If your target market is reselling the product at a rate which competes with the all important initial sales in a significant way, THEN YOU SUCK AT MAKING GAMES GET A DIFFERENT JOB. I don't know, work for Hollywood, put those texture and explosion making skills to good use. Lord knows Hollywood doesn't pay anyone the big bucks for a movie because of solid writing.
The work was done at universities in the United States and Germany."They mixed molten tin, heated to about 300C, with pieces of a ceramic material called barium titanium — often used as an insulator in electronic components. The particles were each about one-tenth of a millimeter in diameter and were dispersed evenly through the tin using an ultrasonic probe.
The moon is made of green cheese. -- John Heywood