Sturms aren't really a decent AT since they only have one Schreck and fall like flies and in my opinion the Choice between AT and Sweeper is a bad design itself.Also I do not get how a 4 man
unit with almost no AI ability (because of Sweeper and Schreck(you won't put sweeper away when attacking enemy positions)is a nobrainer but a 5 man Royals/RE with sweeper and AT isn't ?
Zooks and piats are worse and require sideteching and doubling to be effective at all, and REs are also a garbage combat unit all game, and royal engineers come a bit later, while sturms are a very potent early game unit. Neither come as 5 men right out the gate either (so they don’t have as much of an advantage in that front).
I just don’t think it’s as fair a comparison. Case in point would be how volkschrecks were such an epidemic problem but no one who isn't an idiot ever complains about rifle zooks or IS piats because they’re both much worse (there were other factors too but they don’t invalidate the point).