Putin already did plenty of that: destroying towns and cities,...

Putin already did plenty of that: destroying towns and cities, bombing their hospitals, schools, infrastructure and the civilian populations within, without any discrimination or compassion whether the civilians were Russian or Ukrainian.

So following his ruthless behaviour, radioactive or not, he has no regard for the land he has destroyed.

Hence pyschopathic Putin and his megalomania on display and the ensuing contagion effect you can't isolate from.