so almost all or even every pre EoD spec losing their cooldown reduction traits but mecha signet reducing cooldowns is ok so maybe give other profession options like this too...
https://wiki.guildwars2.com/images/thumb/c/c7/Overclock_Signet.png/33px-Overclock_Signet.png Overclock Signet
https://wiki.guildwars2.com/images/thumb/a/a0/Not_available_underwater.png/20px-Not_available_underwater.png
90
Signet Passive: Reduces recharge of other signets. Signet Active: Order your mech to fire its ultimate weapon, the jade buster cannon. If your mech is not present, instead your mech is summoned, even if Crash Down is on cooldown.