Eh.

For DPS, the rules are generally: Melee always deals more DPS than ranged(more difficult uptime). Channeling always deals more dmg than non-channeling(damage should be lower if you can move than if you need to stay still and channel). This means that Bard should by design deal the least amount of damage. Yes, the very least. They already are partially a support, with many groups requiring Bard simply because of their ability to support. If Bard is NOT the lowest DPS class in the game, they are too powerful for their design.

Just compare Bard to Summoner and BLM. They have no useful utility like interrupts, or party-wide buffs. All they bring is damage. Because they have no other utility, their damage MUST be significantly higher than Bard's. Otherwise there's just no reason to bring one of them. Bard is designed to have the lowest DPS in this game by a significant margin.