Not calling you a wherebo but just why should it?
The panther can do that already. Heavies dont arrive sooner thenna panther mostly. Every army has unit that fall short as the game progresses.
I could see it work though it probably should be a vet 1 ability to replace twp. Meds should not notice any difference since the stug pens them easily.
Short answer?
For an equivalent fuel expenditure:
Lighter TDs win against medium armour and lose against heavy armour.
Heavier TDs win against medium armour more slowly and win against heavy armour.
Why would you risk going for a medium TD build when the opponent can go for a heavy tank and render them ineffective?
An example of a light TD done well is the Puma. It's indisputably a light TD: it specialises against vehicles worth 100 FU and less, and you'd never think of the Puma when deciding what to build against an IS-2.
But an IS-2's worth of Pumas
does beat an IS-2.
How?
- It's fast enough to close in on the IS-2.
- Its smoke canisters allow it to survive fairly well against an IS-2.
- It has a powerful veterancy ability it can use to stun single targets.
- It has a close-range penetration spike that allows a group to out-DPS an IS-2 at point blank range.
If light TDs are to be truly viable in the era of heavy tanks, they all need what the Puma's got: utility abilities that are good at controlling a single target, and more importantly
close range penetration spikes.
They shouldn't be better than their heavier counterparts, but they
should win in numbers.
Otherwise why risk building a tank destroyer that loses to a generalist?