There are Rakata ear pieces/implants, as well as some good relics. Let the first bosses drop it.
I could see dropping the Rak grade ears, implants, and relics insteads of columi tokens, as long as they were BoP. Of course, my suggestion to drop grade 25 BoP mods/enhs was in addition to their current loot tables. The problem with changing the loot tables so that the columi tokens aren't guaranteed (which is what would happen if you added the earpieces/implants/relics to the loot table) is that some people do want those tokens. Adding the mods provides a partial piece of gear that isn't as useful to someone fresh as an entire piece of gear while simultaneously being potentially useful to someone that already has the relevant piece of gear in the first place.