Regardless, there is an important distinction.
You can argue all you like that political systems like communism and socialism may have lead to things like corruption, famine, wars and genocide but ultimately, the people who support those systems are seeking a fairer way to run society for all people and believe in it despite its history.
Head over to the far-right and the genocide is the point. They want “undesirables” to be killed, enslaved or completely repressed.
Then either make your comment and eat the downvotes or just don’t make the comment at all. You’re functionally complaining that a Facebook anti-vax group isn’t listening to your science.