Skill or luck? See link. You can easily jump to about the 2/3 point to get to the conclusion faster.
Mostly skill with a pound of luck thrown in.
Absolute fućking skill, with luck for no wind.
That probably wouldn't have altered the path that much.
Skill, you can place trees where you want them if you know what you're doing
Skill, having dropped more than a few trees, I only do it when, 1 it is probably going to go where I want it to anyway and 2 not much will happen if it goes somewhere else. Otherwise, I call guys like this.
I'd say both ...mostly skill
That look on his face when nothing was destroyed...priceless.
Pure luck, nothing could have made that tree fall a way it didn't want to.