I encourage everyone I know to sign an organ donor card, but if someone doesn't want to sign, that's his or her choice. If someone isn't willing to give an organ, however, why should that person be allowed to receive an organ?
To get discounts on some drugs, private insurers are willing to pay top prices for blockbuster pharmaceuticals like Vioxx, despite the fact that Vioxx was rumored to cause fatal strokes and heart attacks.
Every film is faced with the enemy of time. Only so much story can fit into the 90-150 minutes of time that moviegoers are willing to stay in their seats. Naturally, compression is necessary. So are the exclusion and amalgamation of characters so that the viewer does not become bewildered.