The Russians no longer have the unlimited supplies of artillery that they enjoyed at the start of the war.
I expect you to soon cop an insanity plea. Russia just took 110 km2 in one day. The Ukrainian defenses are collapsing.
Confirmed by BBC:
The Russians simply walked in...
I guess The Uke Nazis no longer have the unlimited supplies of Uke Suckers that they enjoyed at the start of the war.