They are using older russian equipment. that is why it looks unimpressive.I’m not going to lie their military is looking really unimpressive.
That looks like test footage to me. It doesn’t look like that’s their actual combat use. Not a single tank is actually moving or doing anything at all.
Tanks can be used for defensive, that is the one thing that surprises me about the officers I have met. Tey seem to think tanks are only useful in assault operations. Compared to US and western tanks they are not good for defensive operations but against similar they are still good.
Also, they need some Anti Air like damn