[Goose]

The immunization is not just in tactics and weaponry, but also in personnel.  While Russia is indeed throwing bodies into the woodchipper, a lot of less competent old guard officers are being replaced with younger, savvier officers who have seen the errors of their predecessors' ways.

Exactly so! Some of the younger officers may not be so effective and that will be noted and they will be replaced.

[Goose]

The immunization is not just in tactics and weaponry, but also in personnel.  While Russia is indeed throwing bodies into the woodchipper, a lot of less competent old guard officers are being replaced with younger, savvier officers who have seen the errors of their predecessors' ways.

Exactly so! Some of the younger officers may not be so effective and that will be noted and they will be replaced.