I know bill cosby had problems with malcolm jamal warner hairstyle in the later seasons why come bill would not fire him thats odd ???

https://www.youtube.com/watch?v=n3eJkf4erbI
https://www.youtube.com/watch?v=n3eJkf4erbIhttps://www.youtube.com/watch?v=n3eJkf4erbIhttps://www.youtube.com/watch?v=n3eJkf4erbI
https://www.youtube.com/watch?v=n3eJkf4erbIhttps://www.youtube.com/watch?v=n3eJkf4erbI