Many realm first max levels will suggest it - what you're confusing that with is WORLD firsts, who will rely on something that will generally be hotfixed within 48 hours. There's an inherent risk there with getting your character reverted using those methods, whereas dailies in the past has been a solid bonus (objectively) for the little time spent.
F.ex. in pandaria I did daily handin with tol-barad (22 dailies total I think saving them up over the days). This took me just over a minute to handin at both locations and get into mop content, and I had made up that minute before even encountering the hozen, being the first on the realm to enter the following zones (and therefore have no competition)