The US funded Maoist groups in the 70s and 80s that were anti Soviet

As is usual - if you want to know the correct side of history and see which group was correct it is usually better to go to a conservative (than a leftist) and see what they supported, who they funded and who they made temporary alliances with to see the true class dynamics playing out

Mao was one of the best leaders of the 20th century and one of the best communists

However we have paid in spades for his three world theory revisionism and his alliance with US