Two sigils for two handers?
No. Two handed weapons already deal 10% more damage than one handed weapons. Although it takes away the ability to choose, this is stronger (and usually better) than a sigil.
Arenanet would nerf all two-handers by 30% because it’ll balance out with sigils.
5x Warrior, 5x Ranger, 4x Elementalist, 4x Engineer,
4x Necromancer, 3x Mesmer, 4x Guardian, 4x Thief, 4 Revenant
4x Necromancer, 3x Mesmer, 4x Guardian, 4x Thief, 4 Revenant