So were the Nazis?maduro was democratically elected?
Winning one election legitimately (and there are many who say he didn't even do that) doesn't mean any subsequent election is necessarily legitimate. His re-election last year is widely regarded as a sham.
In any case, being elected is hardly an ethical stamp of approval in and of itself. Bolsanaro was elected president of Brazil last year, and seems to be moving in a similar direction to Maduro with regards to dismantling democracy altogether and installing himself as dictator - in fact he's been quite open about it.