No it's not. Infrequent "crunch time" is the norm in the video game industry, with regular hours outside of crunch time (if you're lucky enough to be employed at that time).
Standard expectations of 12 hour days is most certainly not the norm.
I don't want to misread "if you're lucky enough to be employed at that time"; are you saying that the games industry now hires labour for crunch time and then fires everyone afterwards?
The games industry has had a poor reputation for a long time but I don't want to unfairly interpret people if things are better these days.
As a game moves toward completion they will hire up. As deadlines start coming up (e.g. milestones negotiated with publishers) you'll experience crunch times. When the game finally is released, they have a swollen staff that they don't need anymore as they transition into the planning/exploratory phases of the next game. They absolutely lay people off at that time.
This has been the case for a long time and is no secret.
Standard expectations of 12 hour days is most certainly not the norm.