Has anyone else found that Gaul is now obsessed with warbands?
Now, I haven't seen any mass warband-armies as of yet, they all were quite mixed troops that I've seen. Could it be that while you waited for them to build up their troops, they actually built up their troops. But as warbands. Lots of 'em.

If you weren't fighting them, thus them not having any big battles that'd sorta "remove" their out-dated troops from circulation in favor of newer ones, and AI not disbanding units, wouldn't that lead to massed armies of WBs because they couldn't build anything else back then, and now, 'cause of their income's flowing right to the hands of WB armies, they don't have the money to build better ones.

Well, that's my theory.