People thought the writer was ‘either brave or very stupid’. Why did some people think that he was ‘very stupid’?

People thought the writer was ‘either brave or very stupid’. Why did some people think that he was ‘very stupid’?

Ans: because he was risking his life and could be bitten by the sharks as other people were/ side-lined the popular notion that tiger sharks are dangerous/ did not pay due attention to the fact that he was walking into obvious danger without the required expertise