The biggest problem with front-end development is that it goes all the way from static websites to complex web apps, and developers can't tell the difference.

The biggest problem with front-end development is that it goes all the way from static websites to complex web apps, and developers can't tell the difference. Everyone jumps on the latest hype, going from either server to front-end, or nowadays front-end to server side, without thinking where your application resides on that scale.