Yes and no
While it'd be really nice to have synths back, heavy weapons in D2 are leagues more powerful than their D1 counterparts (maybe not rockets still lmao)
Automatically gaining full anarchy or Xeno ammo MID boss would definitely not help the "PvE is too easy" argument that's been floating around.
I for one would love to see them return given the games current ammo economy, but I can see obvious reasons as to why Bungie wouldn't bring them back.
[i]But J0k3rrr GM nfs are too easy already[/i]
That time when the floor is flooded with purple bricks but you're full ammo and others you won't have any heavy ammo left, if only there's this consumable that provides a full charge of heavy ammo and you can't abuse it due the long cool down time of use...
I mean the only place I'd use them is in a raid and since we've got raid banners which do the same thing but also give us full super and abilities Imma have to go with no on this one