It’s been scientifically proven actually
Both in the psychological and physical sense
And refusal to try and understand other opinions, viewpoints, and claims doesn’t make you right or good at arguments. It makes you an ignorant moron. Although you could change that by taking into consideration literally anything different from your worldview, it doesn’t seem like I’ll be able to convince you, since you don’t even have the ability to accept the existence of someone different than you.
It’s pitiful if I’m being completely honest here. You could raise your cognitive ability so easily, yet you choose not to, under the illusion that you are infallible. It’s that easy, but you simply won’t.