Seriously? That the Stillman slide and other logging practices can and do cause damage is a given. Just as urbanization and all human activity does, be it logging is far more visible.

After that there was nothing anywhere in that event that was the drive for the event but rain. Rain in record amounts in a small area ( in geographic terms ) in a short time span. It was simply a world class flash flood that took out everything in its way downstream. Always compare apples with apples, works better.