I meant that I agree with Battleschnooder in that units shouldn't feel too expandable, and if they are more easy to kill then they might feel more expandable.
Please don't be sorry for expressing your opinion, because it's the best way for us to get feedback and improve the game!
We plan to work on the game until it's "finished", and there is a lot to do before we reach that stage. We want it to be a proper commercial game with features you expect, like different factions, single player content etc.