Pluralism can be valuable even if all the participants are reprehensible. Ideally they compete each other to a standstill, allowing separation of powers and human rights to gain a foothold.

That said western media does have the habit of glossing over the actual platform of any dictators opposition, see for instance the breathless adoration the Dalai Lama gets.

My downstairs neighbour believes in crystals. Which is fine because she's not in a position to force me to use crystals, or the teaching of crystals as a healing method in schools (etc).

This argument might even work on people not living next to russia.

I support the rights of people in other places to fairly elect their leaders, even when I wouldn't agree with them.