>>12698625well this has more to do with why you're browsing 4chan in the first place.
shitposting and expecting attention from it without learning will make your brain lazy for being used to behavior that you believe is acceptable in terms of getting easy recognition. Basically, don't be a woman.
You could maybe have higher "IQ" if you can engage in a constructive discussion and accept criticism to gain some insight and perspective while making good use of your time, but for most of the time no one's willing to spend the time to engage in anything that isn't ego flaunting. Off-hand irrational dismissal can also make your penis smaller, and rehashing the same content with no intellectual improvement also results in making your penis smaller.