Infinite growth is impossible. It doesn’t matter if we achieve luxury gay space communism, there is a maximum comfortable limit to the population based on technology and resource balance.
We need depopulation, or perfect terra forming technology. Since we don’t have the latter, encouraging a voluntary form of the former is good until we do.
Usually there’s not that much of a reason to sow dissent against Russia, but Ukraine is losing pretty badly and there’s not a another nordstream for them to blow up.