It wasn't 30 minutes of dailies, it was 2 hours' worth of dailies at the beginning of this expansion. And that was only doing the dailies that rewarded gear for my class, that wasn't including Tillers for cooking or fishing dailies or the serpent riding dailies...
Mob grinding vs dailies grinding IS more family friendly, wtf? Where are you even getting your rationale from? You can grind a lot or a little at once depending on how much time you have, unlike dailies which require you to log in every day.
Both mob grinding and gating valor items behind rep and making dailies required in order to spend valor is bad, but dailies (as they are in MoP) are NOT an improvement from straight mob grinds. If anything they are even worse.