The reason WG is reworking is HE is to give us a tier 10 premium td: The might Sturmtiger!!
If thats not that purpose, then this is pointless and silly, just make it:
Rework the damage calculation from (damage/2 - armor thickness) to more like (damage - armor thickness*2).
And remove the fire chance for HE, and its fine.
HE still takes skill (at this moment) since where u hit has effect (shooting the commander hatch causes more dmg as turret face, or rear of turret instead of the rear of the tank) that gets removed now, and a reliable low hp tank killer is not needed...