Actually it depends heavily on the zones and quests you do. While leveling up to 85 I got to kill very few skinnable things and thus ended up with a very low leatherworking skill at 85. (Even taking into consideration that maxing out professions takes much longer now)

I don't want exp for skinning though, and I'm alright with the other gatherers getting them, because they usually have to either stop repeatedly to pick up additional flowers/ores, or go back at some point or another to bring their skill up to par (though in the new old world the herb/ore spawns seem to be better adjusted to the new leveling speed).

What I'd like to see though would be exp for crafting. That was one of the things I really liked about Aion, that not only gathering, but also crafting granted some serious exp. I love to take time for professions while leveling. Everyone of my chars has a crafting profession and I always try to craft things for the character to wear while leveling. But it can slow down leveling significantly because of the extra farming/trainer visiting/AH browsing. It doesn't need to give quite as much exp as questing, half of it would be enough so players who don't want to over-rush feel less punished.