See, I don't want to sound harsh but this needs to be addressed bluntly.
Vet or not it does not matter - The SU-85 has additional range & it provides it's own line of sight. In no situation can you play defensive against SU-85s, other than PAK40's or Elephants which come FAR too late and both have glaring weaknesses (Artillery / Ram & Engine Damage).
All of this can be solved by requiring the SU-85 to have a unit scout for it. As of current it can play aggresive or defensive and switch these functions in a heartbeat. In games against good players I can count on one hand the amount of SU-85 kills I've made with shrecks and I can probably count the same number of squad deaths my PG's have sufferered to SU-85 when there supposed to be a "Hard" counter.
Fortunately Relic are balancing the early game, mid game and then late game and so we can hopefully see something in upcoming patches to address the SU-85 and Stug situation.
Don't get me wrong I agree with 100% of what you are saying, and this ties in to all of the arguments I have made much earlier in the thread.
I was just promoting the stug because i want it to be better and maybe its optimistic of me but it might be viable current patch, but i will only be able to confirm this after bout 50 games of testing it. Relic still needs to adress the su85 (wasn't touched in this patch), but i want to figure out possible makeshift solutions until they do. I find mines are one of the best counters.
My plan will be: (im just theory crafting here)
* go for early game domination with grens/flame ht.
* Unlock riegel at cp 1(brought down to 1cp this patch)
* plant riegels at chokes and get a stug asap.
* hold stug back and kill m3's with it to vet it if possible
* use stug/riegel combo to (possibly) stop su85 from pushing
* get mortar, to mortar the su85 and repair engis once it is immobilized by the riegel.
credit to Stephenn for the last bullet point, I saw him doing this to great effect
The same basic strat might also work with combination of panzer tactitian and late game pak43 or elefant since elefant doctrine also has riegels and scopes which should help the strat.