Actually, I believe the idiotic ROE changes were initially demanded by Obama.
"Military casualties in Afghanistan is the largely unreported ,immediate change in the rules of engagement that Obama insisted on the first week he was in office. "
http://interact.stltoday.com/blogzone/letters-to-the-editor/letters-to-the-editor/2009/11/get-america-back-on-track-with-amtrak/
I believe you're correct. McChrystal wrote them for Obama and made like he fully believed in them, I don't know whether he did or not. I'm fairly certain Petraeus didn't because as far as I know those were not his ROE in Iraq but we'll soon find out
Placemark.