People turn to the group because they are failures as individuals. It's a fundamental principle of human nature.
No matter how many times their whacky socialist schemes fail, they try them again.
Speaking in general, man is not a learning animal. He isn't. The way nature corrects error is by killing people. Whether they die alone or en masse as a result of their flawed perception and intelligence doesn't matter to her. When they drift too far from the real world, nature just shifts them all off the planet into the worm cafeteria.
Nations are never destroyed from the outside until they first have destroyed themselves from the inside. Will Durant.