we all know that M13 just slices through unfairly expensive japanese tanks, but on the other side, you also have Ta-se which has actually more firepower than its alternatives
both SPAAs preform better against other faction’s tanks (when compared to actual tanks) due to having no need to reload after every single shot (ok, Ta-se sucks because crew gets sniped, but lets leave infantry for now)
for that sake i request that either SPAA’s are replaced with tanks that can actually be balanced with crap of japanese tanks (they didnt have tanks with enough armour to stop 12 mm machinegun fire) or some completely other mechanic is added, that somehow balances pacific armoured vehicles.
Like you said, they’re both supposed to be offset by being vulnerable to infantry.
Just the M13’s damage model is still broken. Not as broken as it started, but still broken.
Even the Chi Ha can’t do much to it.
Best option is to magdump with the AT rifle.