ultimately the goal in reading history of anti fascist movements is to take bits and pieces of what they did well, what they did wrong, and synthesize a new vision for what a modern anti fascist coalition might look like in 2025.
those criticizing IF are making valid contributions, but we should be cautious not to throw the baby out with the bath water. IF wouldn't work today under same core ideologies and strategies they used then. but it's still inspiring to know that some courageous folks did band together (albeit unsuccessfully) to resist forces that became the Nazi war machine. and there are many others to learn from.
we can do better though, we must do better if things really are headed the same direction globally as they were in 1932. I hope not.