And it's not like it isn't an important unit that every one should have.
You can say that about every single dlc doctrinal unit.
And it would be equally irrelevant.
If you don't have the commander and don't want to pay the cost of a single pizza for 100% of games content, then you better start grinding that gold drops instead of complaining.
It was in abundance of doctrines and it was in too good doctrines to have it. That problem is solved now.
You can't complain for months about indirect fire and arty being too good and in too many commanders and expect your faction of choice to be immune to general changes.