Whenever someone says, "it's not about the money," it's about the money.
Life 101, folks.
In Mansfield's case it was about the money. In the case of the people who worked for him, it was about the conditions. I'm sure they're well paid. I'm sure they can afford pretty much all they want and need. They're not going to get a big enough increase to make it worth a crappy work environment when they could easily go somewhere else. Especially with their creds.
So often with employees it IS about letting them feel they have a voice and empowering them. They want respect and to feel proud. They don't like to feel that someone got a job they didn't deserve. It undermines why they feel they're working so hard.
Mansfield didn't need the money. He didn't need the job. He was probably tired. They had to make him an offer so ridiculous he couldn't refuse.