I must be getting old fast because every time I see something that goes so hard against what's common knowledge I can't help it but be skeptical about it. Sure

I must be getting old fast because every time I see something that goes so hard against what's common knowledge I can't help it but be skeptical about it. Sure, I am not saying this method does not work, but if you are proposing something that has been around for decades and yet nobody uses it... you need to give arguments for why that is.