Did you read the linked post? It directly addresses this (potential) objection:
One might point out that the fascists and Nazis lost World War II, and certainly they did – but it took World War II, a giant military conflict of as yet unprecedented scale, to get people unified enough against fascism to put up a credible response, and there was certainly a lot of ground lost beforehand!
Did you read the linked post? It directly addresses this (potential) objection:
See my other reply.