1. Will not change anything about the current hunting meta of just doing the train, except someone having a chance at a mount during that particular kill. It will be the exact same content.

2. Mixed opinion on this. Sure, holiday event is possibly a little short and they could add a repeatable duty to play and have fun, but I loathe holiday events that make you grind for hours/days on end to get their rewards. That's not engaging and not everyone spends their entire holidays playing video games

3. Which systems are you referring to that are outdated compared to its WoW counterpart?