I would say their have always been me that go to over countries to find a wife as long as there have been humanity

As for incels I would say they are young men with low status and being forced due to the economy to stay at home longer

Then previous generations

Also urban culture promotes blaming others for your own behavior with movements like body positivity

Being pr fat and stating that behavior is good

As for Red pill movement that is blaming ovens for their problem and choosing not to make a difference by changing one's behavior