a people sometimes represented historically as savages--which was accurate in many cases
And she is correct. If Anne Hutchinson and her children who were slaughtered and scalped by the Indians and were alive today, and if the entire population of Deerfield, MA who were slaughtered by the Indians in a surprise raid and they were alive today, they would agree with her.
She also said "sometimes" represented historically "in many cases" which means she ISN'T classifying "an entire race" as "savages".
You shouldn't put words in her mouth.