Why would you build a Rak early with no LV on the field? Small arms can hold off until you can just build one reactively.
A wounded squad of volks is susceptible to be wiped out by a clowncar for example. IIRC there are like 3 full minutes between scout car comes out and volks receive pfaust (in a typical 3 volks opening). Even if you dont lose the squad its forced to retreat as soon as the clowncar shows up. In order to contest early fuel or cutoff, a raketen is a must if SOV goes t1. At least from my experience
If you're really paranoid you could just go pfuss, but it's not like volk Faust timing is that late.
And no, its not paranoia, its precaution. There are plenty of 1v1 replays showing what im saying. But thanks if you did really cared about.
Nowdays i see a mixed probability of seeing SU going full conscripts vs volks as like as clowncars.
Teamgames are a completely different animal though.