No matter what, those articles are still other people content. My firm belief is furtherly reinforced by Google Panda and Penguin updates recently.
Think of it this way. If tens of thousands of marketers do that, there will be multiple sites with duplicate content. In contrary to what gurus preach, this is NOT and will NEVER be in Google guidelines of ranking sites.
I have a passion and talent for writing articles so I have no problems writing in my own words even without article spinners. But for those who do not have that, you might either outsource or take up some article marketing courses.
You might or might not agree with me. But if you really want a long-term sustainable business online, that is what you should do.
Watched Greg Jacobs' recorded past webinar of his WP Mage where he says it is okay to have duplicate content so long as it makes him money. I am afraid I have to disagree after watching this video of what Google really wants and expects for now and in the future.