Original sentence: However, Peter Gutmann claims that an analysis of the certification process and its criteria demonstrate that the signed driver requirement's first priority is not functionality or performance standards, but mandatory support for DRM technology, which he claims actually lowers performance
Edited sentence: However, critics such as Peter Gutmann claim that an analysis of the certification process and its criteria demonstrate that the signed driver requirement's first priority is not functionality or performance standards, but mandatory support for DRM technology, which actually lowers performance