It doesn’t take time to change once you understand the problem. . . Somebody hands you a rattlesnake, it doesn’t take long to drop it, does it?
In film, you get to take your time and make it right. In TV, it's all about the schedule. The train is moving and you sometimes just don't have time to make things right, which is painful 'cause you know it could be done better and you just have no choice.