https://www.thelist.com/2181027/how-brady-bunch-cousin-oliver-handled-jinx-reputation/

This is the story of a character named Oliver and the way the former child star who played him, Robbie Rist, got blamed for the demise of "The Brady Bunch."

Yes, the show was going to be cancelled after the 5th season with or without Oliver. I think at one time Barry Williams was resentful towards Robbie. But Robbie did the Real Brady Bros podcast and they have made up. I wish Robbie was invited to more reunions though.

He used self depreciation humor on his time with the show.