That seems like a pretty good technique for working with windthrow where there's lots of residual stress. I'm pretty sure that if the top is bound under pressure, even with a small tree, I would not just face it and cut it. I'd look for away to relieve it slowly (unlikely), or trigger it like he did. I'm filing that one away, I get lots of windthrow jobs since, for some reason this region is a wind magnet.
I'm just the opposite Brent, if there's any excuse to climb, I climb... that's not entirely true, I like trying to setup rigging strictly from the ground with a throwline sometimes, mainly when it's blazing hot.