It is a very long way to move armor.
That’s only a problem if you have to move armor.
There’s no video of them, but there is video of Russian security locking the roads down. They’re just trying to feed Ukraine a “this is our moment” gambit. Russia’s lines are all defensive and they need the Ukrainians to attack it.
They’re making great progress.
IIRC Wagner is mostly infantry and artillery,
It is a long way to move armor. Fortunately for Wagner there are tanks waiting for them in Moscow.
Tres conviniente.