That's simply not true. I'm sure most of them entered the industry for the love of it, but that doesn't mean they love their current job or being expected to work long hours.
> These are talented individuals who could easily go work in other industries.
There's a lot of shovelware in the games industry and I doubt many people love working on it. Do you really think the people working at studios churning out hanah montana games love their jobs? At best their hoping to work on something better in future, at worst the probably can't move elsewhere.
It can be a lot harder to break out than you think, the type of skills a game developer would have aren't in high demand in a lot of places and they could be missing some important skills used in the the more general industry, like SQL. This is an industry that loves to type cast, even something like getting a c# job as a java developer can be tough.
And then you've got the non-developer jobs. Graphic artists, writers and music composers don't have nearly as many options available.