Western investors led by the US want control of Russian natural resources, and they don't care how many Ukrainians die to make their plunder possible:
Full spectrum dominance requires breaking up Russia and China, imposing pliable politicians, and privatizing as much foreign national wealth as possible.
Russia Will Collapse in 3-5 Years. The West Must Discuss the Scenarios Now
"Russia’s breakup is inevitable.
"If Europe and the West fail to prepare, the consequences will resemble those following the USSR’s collapse, such as Russia’s occupation of the former USSR territories or its bloody war in Ukraine, argues Slovak expert Juraj MesĂk in his op-ed
Prepare for the Inevitable: Why the West Must Discuss the Russian Federation’s Collapse Now."