How tall are you?
It is, as Thib said in the article.
It's not that one could be "more productive" than the other, but they're different training programs built on different principles. EDT, in general, has been around for years and plenty of people are happy with their results.
Do the Canadian Bear program exactly as listed. It's just a 10 week plan. Track your strength, bodyweight, and measurements along the way, and afterwards you can see what's what. Also, don't forget that when you're training for size, nutrition is just as important as training.
This dude is the only actual Canadian Bear log I could find here. He did it for about a month. Maybe shoot him a PM?
I'd probably use it as the secondary exercise, but you could try it for a few workouts as the primary move.