Why should an introduction include a "hook"?

Responses

A hook summarizes the paper.
A hook summarizes the paper.

A hook grabs the reader's attention and makes them want to read more.
A hook grabs the reader's attention and makes them want to read more.

A hook includes several sentences that provides a lot of evidence to explain your topic.
A hook includes several sentences that provides a lot of evidence to explain your topic.

A hook includes the thesis statement, which is important.

A hook sets the tone for the rest of the paper and engages the reader from the beginning.