The issue with the dailies isn't how long time they take, because that takes 30 minutes a day. If you don't want to do a low drop rate one, skip it, it's not rewarding enough for using 15 more minutes. And there lies the issue. Not how long time they take, 4 of 5 dailies takes 15 mins in each zone. The issue is the rewards. An easy fix is to make the minor assault daily, those are worth doing, and since the loot reward is random it would be more like an daily emissary.
So, the issue is not how long time things take, because they do not take time at all, the issue is that there are too few things of importance to do. Right now you can skip dailies and barely notice it.