Earlier quoted context omitted.
> You don't need peer reviewed studies to tell you water is wet. You don't need a peer reviewed study to tell you that a heavy rock will fall faster than a light rock. Which is why we have peer review even for obvious things.
> You don't need a peer reviewed study to tell you that a heavy rock will fall faster than a light rock. Either I don't understand gravity, or you might want to pick a different analogy...
1. "heavy rock falls faster" is what common sense will tell you (I was literally told this by multiple laypeople just a few days ago when sightseeing atop a tall tower)
2. This is disproven by a trivial experiment that nobody thought worthy of trying for millenia
3. therefore we do need peer reviewed studies to confirm even "obvious" knowledge.
Also, note that GP's parent post about "water being wet" is quite the subject of contention in scientific and philosophical circles, so that wasn't the best example either.