Sorry but PF's are doctrinal. Snipers aren't. This is only one way to choose poor doctrine if I want to counter snipers?
Never thought that I would argue with someone about how it is unfair that stock Soviet units would force someone to choose specific doctrine.
What about Falls? (if Luftwaffe doctrine isn't poor for you)
I guess rushing any light vehicle because Soviet T1 have zero AT.
Flak track would be general choice, but Puma may be better if he went flamer clowncar.