I have seen arguments for both types of saws. The Western, push-cut saws, expel sawdust on the back of the cut, allowing the sawyer to see the layout line without constantly blowing the dust off. Japanese pull-cut saws expel the dust on the front, potentially obscuring the layout line.
I think there is a place for both types in the shop, depending on how thin the tails you need to cut are. The heavier Western saws are much easier to resharpen. I have never attempted to resharpen a Japanese saw as the teeth are so fine and close together.