She has a good voice, but it is not any better than your average "barrelhouse" singer or local community theatre starlet.
She is accorded celebrity due to her bizarre behavior and degenerate lifestyle.
Which, in and of itself, is more a condemnation of the "world view" of the UK media and government elitists, along with their "fellow travelers" here across the Atlantic.
I would title the chapter about Amy Winehouse in a book about modern Pop music as follows:
Amy Winehouse: Apotheosis of Self-hate, political tyranny, and national suicide in the Globalist media.