I don't agree with most of it. To make it short. Zis is an at gun, which should be countered by infantry. Barrage makes it too easy to deal with infantry which is supposed to be its counter. It is even more of a problem for 4 men ost squads. The often used argument that Soviets have worse units is just (often repeated) rubbish. What they have in fact are extremely potent units for how much you pay for them. Cost/performance value is top notch.
To sum up, moving zis barrage to vet 1 seems a very good idea.
The zis is a field gun. Because it can do more then at. And its not the best at AT compertevely. The soviets non doc vehicles are good for their price. But they get penned by every axis at source with ease, lights get one shotted by their at mines mines. unlike axis stock vehicles.
The barrage is a counter to setup teams. Aka stationary targets. If your inf gets hit by it, you walked into it or left them idle. Sov dont have real non doc nades to instantly wipe or cripple teams and squads. Hence the barrage is always available.
Sov bleed the most out off any faction. So to say their price preformance ratio is top notch means you dont know how they play.
Please stop trying to make problems where none excist. This will only come full circle and bite you in the butt.