I am seeing lots of sites with rewritten content doing well.... cinlduing my own. It all depend on the rewriting.
When using our shampoo 80% of people notice an increase in the shine of their hair within 2 weeks of using it
4 in 5 users of our shampoo report improved luster in their hair only 14 days of giving it a try.
Sentence by sentence rewritten like this. Same meaning, very different structure and words.
But sure, if you'd do a rewrite then when you search using in google using snippets of the text the source document comes up? You have a problem.