For only if your playing the ptolomies if you train mostly machimoi units the faction will become more and more like the cultuere of the units you have recruted such as you will have more and more leaders and family members with the agyptoi trate and that wand over time you will only be able to recrute native units to the ptolomies and there faction symbole will change to reflect the loss of greek culture in the area.
hey not a bad idea if I do say so my self