Nobody want to die for Putin. That's why he switched to mercenaries in Ukraine, because use of regular troops regularly returning to Russia in bodybags was about to become the straw which would've broken camel's back.
If their first option is this bad, then others must be completely useless.
The first tier of reserves are anyone who did it and are under 35, as well as officers under 45-60 dependent on rank, the other 2 tiers are either unfit or older. The average Ivan in the first class reserve is pro-government, poor and without higher education.