Different people will consistently make arguments that are consistently either logical/rational, intuitive, or emotional/moralizing. Perhaps a lot of intuitive libertarians recoil at the massive evidence Putin’s aggression and barbarity because they can’t separate it from the arguments they been making since 2004 against US empire. They simply can’t process the existence of a society begging for NATO/western help.
Add to this the enemy-of-my-enemy bias, the concise talking points of the Kremlin’s propaganda network, and their army of internet trolls turning reality upside down . . . .