It's at its worst when a paper describes how they account for correlation or designed their experiment to confirm causation, but someone doesn't read the paper and says the line anyway.
You don't need to read the paper but don't try to act smart if you can't be bothered.
It's at its worst when a paper describes how they account for correlation or designed their experiment to confirm causation, but someone doesn't read the paper and says the line anyway.
You don't need to read the paper but don't try to act smart if you can't be bothered.
That and "this is worthless, they only tested 10 000 people" are the worst