I'm not sure if "killing millions" is on purpose a exaggeration or not, but again, Russia is not alone in doing killing and bombing as a strategy (civilians be damned), the US is very familiar with that strategy. Do you think the initial night raid on Iraq was only targeting military targets? They were dropping random bombs on Baghdad. Multiple campaigns of Vietnam were just dropping a ton of bombs all over the country, no matter who it hit (Look up "Christmas bombings").
And lastly, don't forget about the only nuclear bombs that have been dropped have been dropped by the US military. That was indiscriminate killing at a scale never seen before, or since.
Look, Russia is horrible, the invasion is super fucked up, I wish they weren't do that and it'll take a long time before I'll ever forget about the horribleness that Russia put others through, as I've personally helped people being received from Ukraine into the country where I currently live. But that doesn't mean other military powers aren't as horrible as Russia, all of them are, it's their purpose so that's what they do.