I don't agree with that. I used Bruttian Infantry extensively to fight rebels as the Romani (built a level 4 government in Taras), and they did more damage than the Hoplitai who were part of the same army.
Attalos Pergamou Mysiakes, Strategos of the Arche Seleukia in Will of the Baselius (WoTB)
Ioannis Kommennos III, Strator of the Basileia Rhōmaiōn in Last of the Romans (LotR)
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