As someone who spends hours (and months) writing articles & books, I don't have any tolerance for people who knowingly use other author's material as their own.
That's why I was appalled when several colleagues discovered that another "sales expert" was re-purposing their articles under his name. (See Jonathan Farrington's blog post: When Plagiarism is Not Flattering.)
There aren't any shortcuts to success. If you ever get tempted, don't do it. The price you pay is just too much. You'll invariably be outed because you can't hide the truth in today's digital age. That destroys your reputation.
Even worse, you can't fool yourself. You'll always know inside that you're a fraud and a poser. What a horrible way to live.