Actually no, Storm troopers (ST.T) get the anti caches because it increases the synergy with "close the pocket" ability.
If you want to compare infiltration Commandos (IC) with St.T you will see that there a number of difference since the spawn with K98s and not smgs.
St.T not only lack as a infiltration unit they also overlap with camo PG that have camo with first strike and can sprint.
For one thing, demos are 2 times as expensive as the stormtrooper flamenade, and for another thing, they’re practically useless in this patch. By at least allowing them to kill caches it’d give it one form of utility that really never should have been taken away. Letting a 3 man, .86 RA squad waltz up to your cache (in sight due to the vision provided by points) and plant a demo for like 10 seconds then you either are not paying attention at all and losing the cache makes sense, you’re unlucky and most likely will at least wipe his tiny squad retreating through the entire map in the midgame, or you’ll intervene beforehand and push off and maybe even wipe his commandos right there. Whereas all you need to do with stormtroopers is spawn them in and hold them in camo for 15 seconds (wow, what a concept) while they upgrade their mp40s for free and then run over and chuck a flamenade at the cache and let the mp40s do the rest. Stormtroopers are also much more likely to survive retreating through enemy lines as they come in at 4 men and have better RA than commandos.
Saying the new stormtroopers overlap with pgrens with ambush camo is a little silly for a couple reasons. First and foremost, having commando-type camo opens up wayyy more possibilities than ambush camouflage. There’s no way you could pull off the same things commandos (and now stormtroopers) can with ambush camo pgrens. In addition, they have mp40s instead of stgs which makes them a little better at ambushing IMO because they have better close range dps (better midrange dps on stgs is irrelevant if you close with the enemy in camo and engage them at minimum range as commandos do). Storms also get smokes and a different nade as well as tactical assault for wiping stuff on retreat better than pgrens could (not that pgrens are bad at that).