Ok, I tried a few more things with the new Trait-System:

Techie might be a bad trait, but Efficent is even worse: You get the best effects on systems that run on low powersetting, for the Boff-version you get a boost of up to 7.5/6=1.25 - twice that for the Captain-Trait - to 2 of your subsystems and the third subsystem on Powersetting 50 gets a boost of 0.625 for the Boff-version or 1.25 for the Captain-Trait (calculations based on

stowiki/Efficent-Boff and ingame-numbers).

So it grants you a total power-increasement of (best case) 6.25 for the Captain-Trait. If you think about those "10% Traits" this should be more something like +20, meaning the magnitude has to be increased to "+48 Warpcore-Efficency" for the Captains-Trait, maybe "+16 Warpcore-Efficency" for the Boff-version (I know that this would be just 1/3 of the the Captains-Trait, but this would be allready more then twice as much as the current version).

Since these changes would be almost equivalent to 4,500 Skillpoints put into Warpcore Efficency, you should overthink the whole trait.

__<EDIT>:__ I forgot the worst-case: On balanced preset the Captains-trait gives you +1.25 to every subsystem, this means only +5 to the whole ship. If you would base your calculations on this, you would get "+60 Warpcore-Efficency". This would be equivalent to more then 4,500 skillpoints in Warpcore-Efficency. If you would want the efficent Boffs to have at least 1/3 of this, they would need "+20 Warpcore-Efficency", so their current boost multiplied by almost 3.

__</EDIT>__
A combined Trait with the effects of "Techie" and "Warp-Theorist" would give you at least a fixed Bonus of 0.5 (so 2.0 in total - still 40% of the worst case or 32% of the best case) to all Power-Systems, a better Power-Transfer-Rate and a boost to emergency-power-abilities additional to improved hull-heals (I'm not sure, but I think about 6% hull-regeneration per minute passive and better heals).

First one half of the so called Community complains: "Give us instant access to all veteran rewards, for going lifetime.", then the other half of the same Community complains: "I've earned 1000 Day membership, I want a special reward.".

Stop complaining, if it is enough for you, you could have the "Captains Table" for the real veterans, I don't want access to another dead social zone...