If he was okay with the Kremlin, North Korea, Iran/Ayatollah, a speech claiming the West started the slave trade and all of the countless atrocities therein that have occurred over the course of this war Putin started, why would placing the statue of a mass murdering communist dictator back in a place of honor bother him?
The Ukrainian government openly employs their Nazis to stick it to the Russians...and so the Russians hit back with Lenin. But it could have been worse for the Ukrainians, they could have put Stalin there.