So basically heavily damaging the entirety of a blob? Still would wipe infantry in cover, like sandbags or fences, which is what it's not supposed to do though, right? And also the AoE heals.
Combined with an increased sound signature i dont think it would be that bad, as a matter of fact i would argue that leig smoke + goliath is going to be even worse as its not going to cost any fuel. But in the end of the day there is no way at all to not make the sturmtiger nuke lone squads without making it an unreliable POS (oh hello there B4 howitzer)
Putting in these super heavy hitters is a mistake, but here they be. We just need to make them so using them on lone squads isnt an effecient use of them (i would even argue that using a ST on a single squad is more of a grudge move than a tactical move)
Tying it to tech is really going to help, but i mean 160fu for a fuck you to lone squads is exploitable, with the increased cost for not teching it would be down right treasonous