Both in my Current Seleukid campaign and previous Pahlava campaign ,I used these Iranian archer-Spearmen to garrison my eastern provinces. I found them cheap and effective. I used them at the beginning turns of the seleukid campaign even against Bakterian Thureophoroi and Pandodapoi phalangitai with relatively good result (I mean alongside other units). they alreayd repulsing Saka heaviest cavalry in my northeastern provinces

Well I really like these Archer-Spearmen and like their concept of warfare. Imo Iranians developed such a combat units because they proved effective against the eastern armies ,where cavalry was the dominant force ,besides Chariots and foot units were mainly light to medium infantry. Until they reached the hellas ,Where Hoplitai as heavy infantry was core of the armies. and according to dominant view ,this was the beginning of their downfall ,although In my opinion they were not mere losers against hoplites but definitely the appearance of mecedonian phalanx was their end.

But we know that they never enjoyed such extensive equipement their opponents had. They had no helmet ,Their spears were not long enough(And wasn't of good quality) ,Their armor usually was not sufficient to cover all of the body ,In most cases only carried a wicker shield and at last I suppose at the time of Alexander invasion ,their training (just like their state) was in decline (?!)

So my question from EB historian is : By giving them better equipment and also better training (Considering new foes likes phalanxs) Could these archer-Spearmen once again become an important fighting units (If not the most important) of post Alexandrian era?

Thanks beforhand for your replies