What is the climax of Blues Ain't No Mockingbird?

The climax of "Blues Ain't No Mockingbird" by Toni Cade Bambara occurs when Granddaddy Cain confronts the cameramen who are filming his family without permission. He asserts his autonomy and demands that they leave, refusing to be exploited for entertainment. This moment showcases Granddaddy's strength and dignity in standing up to injustice.