Because they don't get laid much if at all themselves, and coming here to screen cap posts by all us "mithogynithts" and then reporting back to the nonexistent cheering audience of hot femoids that they imagine is waiting for them and ready to reward them with sex for their "crusades against misogyny" is how they cope.
When in reality cucktears is made up of about 60% nu-males, 30% landwhales, and maybe 10% somewhat fuckable girls (that are still all damaged goods mind you).