Red Mage could use some help.

[Galvuu]

5% for 20 seconds is basically hypercharge level damage, although a little weaker since it's 6% now for 20 seconds on the turret which generally manifests as 27-29 seconds on the boss, iirc.

Honestly, I think this is the type of direction they should be pursuing for Red Mage. Especially because it makes caster comps potentially viable.
That buff doesn't even seem out of line with the utility ceiling vs personal dps for most other jobs.

[Tzain]

Honestly, I think this is the type of direction they should be pursuing for Red Mage. Especially because it makes caster comps potentially viable.
That buff doesn't even seem out of line with the utility ceiling vs personal dps for most other jobs.

I'm going to disagree a bit here.
If a Group DPS buff is the 'direction' then that means everyone has to get one to be viable, and they all have to be in the same range. Any classes that don't have one would be playing second fiddle.
Chaining/stacking the Group DPS buffs would become a perhaps overly valued tactic. This ends up heavily influencing the meta considering how valued DPS is in the content.
One way to avoid that would be to make stacking/chaining invalid. Which means a shared resource or other factor, which is basically what a DPS limit break is.
It may be a better plan to move the "group Damage" buffs to be 'personal' damage buffs and reserve 'group wide effects' strictly for survival related utility. This acts to even out the playing field without homogenizing the classes too much.
Plus, everyone having it is the functional equivalent of no one having it.
Alternatively, if only a few have it as their particular 'utility' then that 'Group Damage Utility' need have it's need/desire/usage balanced against all other unique forms of Utility, which is the root of the current problem.

It's not that your idea isn't valid, it totally is. But I do see it also throwing fuel on what is already a fire.