I read a report that the Wagner group is pretty much using prisoners as cannon fodder to send wave after wave of untrained soldiers in without regard for lives lost. And only when those first few waves of expendable folks had weakened the Ukranians, do they send in the next round of more experienced fighters. And Anyone that retreats without a command or being injured gets executed. Using the Wagner Group allows Russian gov to limit the number of losses that they report.I think you hit the nail on the head right there.
No nation in its right mind would do what Russia is doing now.
This is a brutal war.