They can already do that Haboe, so why do they stick to their build ?
Because they dont like the pure strength build

Also if they have that much strength + 10 IF (and most probably 10 PS), it means they have no ATH, almost no WM, no hybridization whatsoever is possible (except a few points here and there that would do no good) and they certainly cannot have enough riding to master a war horse or even a steppe horse. Skill points balance is key here.
They would be confined to slow-ass hard-puncher infantry; while an army such as this has its advantages, it also has big disadvantages :
- it cannot move fast (winning by flags is most likely impossible except if the enemy camp on its flags and lose in 1 wave, and capturing/holding a position is hard by itself because reinforcements would come late)
- very easy to harass and gank (I can tell you that

)
I'm confident that most people would keep their build and not respec or change their hero, so an army like that would not likely appear, so it would only go in the direction of the "less plates" mindset for strategus (and cRPG in that case, which is two birds in one stone!).
All other ideas I heard from are only of the "lets delay this problem further" type, which (if the strat round is long enough) doesnt do any good. A solution to that "problem" has to be radical.
The only thing up for debate, to me, is wether or not this is a problem, at all. Some argue that it is, others that it isnt; I think it isnt a problem per say, but doesnt encourage variety and fun and should be tweaked so that it is VITAL to have fewer heavy armors.