I notice they will do the "males are evil default", and some of them have conspiracy theory's like artificial wombs are going to replace women.
On the incel side you have conspiracy theory's that think women are trying to "genocide ugly males", and think that women are evil. Both of these groups are copying each other more than they would hate to admit.
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It's probably more that society has a lot of stigma about men being emotional with anyone but a romantic partner so they have not enough social connection and they want to get a girlfriend to solve all of that, they have also realised that people who are isolated from social contact become weird and offputting and women do not want to date weird offputting men. They then take the next step of blaming women for their social isolation
What they need to do is take a grillpill and make some friends putting all notions of a romantic relationship aside until they work through their issues no one is good at social interaction inherently it's a skill that you practice