At my current job, I basically started cleaning up code in my spare time, just because I was leaving. But just deciding, oh wait, I'll just ignore my boss, and

At my current job, I basically started cleaning up code in my spare time, just because I was leaving. But just deciding, oh wait, I'll just ignore my boss, and whatever culture is in place, on company time, is basically saying "I'm inexperienced." Someone here recently talked about a factoring algorithm that some entry level programmer just decided had to be "cleaned up." He had to be lectured about the bits he failed to understand.