I understand that and agree with you in this regard. I would love for all my stat considerations to be related to my primary role, but it cant be so long accuracy is a thing.
Here is a random example for you, I googled a run of antitower. This is the first playthrough video I found:
https://www.youtube.com/watch?v=tYAOI3SvSKs
If you dont care to watch:
The first fight starts at 0:20,
WHM leads with regen
At 0:47 WHM casts cure II
fight ends at 1:00
This WHM used 2 healing skills in a 40 second fight. 2 gcds, even if they were 2.5 secs, would be 5sec spent on heals. What, in your opinion, should the healer be doing in the other 35 seconds?
^ to do: 'something'