There is literally nothing negative about quest sync. It gives you another way to level alts and that is the only reason for its existence.

Did you even think before making this topic...?

Quote Originally Posted by Moonleg View Post
My friend gave up on the Sylphlands quests in ARR because of all the "Don't get seen!" quests, then ran through them in 3.0 when the higher level cap effectively nerfed those quests to the ground.

That is NEVER going to be an option with level-synced quests. If there is a quest that for some reason you just can't do ... it will NEVER get easier for you.
It's not going to raise above 60, plus isn't that thinking a bit too far ahead?