Is Everything a Social Construct?

If we start to admit that gender is a social construct, god and religion is a social Construct, even dare i say science is asocial construct? Well, what's left? Is everything a social construct? Am i a social construct. Maybe you'll discover that you are, and then, poof goe's your whole life. See, it's very threatening, because you're attached to surviving as a physical entity, and maybe there isn't one. So of course, such people get upset and threatened. It's only natural. That's their survival strategy. Theire survival strategy in these cases is denial, judgment, criticism, hatred, violence, bigotry, closed mindedness,