I agree, had the skid steer been in play I'd bet it would've yanked it right over and it wouldn't have been lost over the side.
So what's the lesson? Best trim off limbs despite the extra hassle?
....use safest accepted practices , don't make up stupid stuff. We all piece out tops that shouldn't be pulled. Like I said about reputation , amazed you get hired.
Why would you leave all that weight on the back when you wanted to pull it forward?
Guts for posting though...thanks