I agree completely with your statement. Besides the piece by piece analysis of her work that supports that assessment, remember that Plath's life writings are essentially a journal of mental illness, and thus, there is no way they could not be intense, personal and disturbing. In reading her works, we are witnessing the step by step unraveling of a human being.
I do agree that Plath's poetry is intense and personal, but I do not agree that her works are disturbing. As mentioned before, Plath was a confessional poet. Her poetry was built around the traumas and tragedies in her life (as well as her own emotional/mental "issues"). I enjoy the honesty of her poetry and do not find it disturbing at all.
These are good adjectives to apply to Plath's poetry, especially deeply disturbing. Certainly when we think about the poems that address her relationship with her father, such as "Daddy" and "The Colossus ," we can see the truth of these adjectives, as they are...
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