My observation is that Russia didn't use much of its artillery. Both Russia and China love to use massed artillery to soften their enemies and targets before full assault. I think it has to be the fact that Russia doesn't want to have bad publicity and to control civilian casualties. In addition, I find it odd that Russia didn't bombard Ukraine for a few weeks before attacking like the NATO or the US did. It could be that Russia wanted a quick victory and element of surprise. Unlike the West which has MSM on its side, Russia doesn't want a prolong war and wanted to finish the war in a matter of weeks not months.
Krasnopol