Either the original actor dies, or wants to do other things, or is too expensive (especially for TV / videogame spinoffs), or takes the whole tickle-me-elmo a little too far. So sound-a-likes are hired.
Ultimately the application may end up an embedded device, where space is at a premium. In that instance I'll probably have to static link but it depends on licencing issues.
No matter how bad the Greek crisis gets, no matter how much of a haircut people get on their savings from any currency swap, it will still be less risk than bitcoin.
Same principle applies to Adobe and Flash. They make nothing from the Flash player but its all those eyeballs are what make professionals want to buy the dev tools that they do make money from. Cheapen the brand and it goes into decline.
I got so fed up of Adobe loading their updates will crapware like McAfee that I stopped installing it altogether. Likewise I've avoided other products which have started bundling stuff in their installers. I'm sure Oracle are compensated for promoting Yahoo from their installer but the reputational damage will suffer could be immense.
Happiness is twin floppies.