Oh sure, they probably will take even more territory. But can you even imagine a scenario where this is an overall benefit to the?
By the material benchmarks sketched above, the war is a disaster for Russia. The value of its territorial acquisitions is low, probably negative, given the devastating nature of these spaces due to Russian shelling and the ensuing political-economic limbo they will fall into as unrecognized conquests. These realities would counsel Russia to stop the war, and there seems to be some dissent in the Kremlin around these points.