I'm not going to argue that feeling good is an "ulterior" motive, but it can be a malicious one. People can convince themselves, with varying degree of consciou

I'm not going to argue that feeling good is an "ulterior" motive, but it can be a malicious one. People can convince themselves, with varying degree of consciousness, that what they are doing is good, and ignorantly feel good about doing that, whereas for other parties what the person did can be the opposite, bad.