I have never used spinning and never will. Yes, once in a great while, there may be a news item from Reuters and I may use the gist of it (like a kind of headline) and point to the original, but that is very rare.
I like to write but haven't been doing that for a long time. I want to polish up my authoring skills. The only way to do accomplish it, is write my own stuff.
When you create your own copy, there is a satisfaction and fulfillment that cannot be obtained any other way. The other name for this is called "work"