Any ideas to buff Banished gameplay? New units or tactics?

I feel like the Banished were insanely nerfed in the campaign. Halo Wars 2 made them look like insane intelligent barbarians and pirates while in the game they waddle around, talk, and act bored out of their minds. Gameplay-wise, they played exactly like the Covenant gameplay with most being similar units, but, the Covenant being much more challenging to kill.

I feel like it falls into the type of enemies we face. Do any of you have an idea how to improve Banished gameplay to fit their reputation? Any new units you can give to be more menacing or scripted strategies?

Example, I remember in Halo Reach, the covenant jackels would line shields up run you down unless grenaded.