I've watched a lot of interviews with him. He seems like a good guy that's happy with how the movement is going.
According to him:
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He butted heads with Ivanka and Jared
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He never wanted to be part of the administration, just the campaign
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He's focusing on building nationalist movements in Europe and Australia
But I guess take that with a pinch of salt.
Also, my favourite Bannon description:
"Having a face like a bloodhound who works as a 1950s minibar sales rep"