The diplomatic thing for me to say is that if publishers are dressing up other authors as Terry Pratchett clones then they are doing a disservice to those authors. If they didn't dress them as clones but did something different, then those authors could be pioneering in a different sense.
Terry PratchettIf you don't turn your life into a story, you just become a part of someone else's story.
Terry PratchettThe people who really run organizations are usually found several levels down, where it is still possible to get things done.
Terry Pratchett