Are There Truths That Aren't Best Learned Through a Randomized Controlled Trial?

There are other equally valid ways of knowing stuff and like you know we shouldn't trust one over the other I mean it depends on who you ask. You can find anyone on the internet that'll say something stupid but yes there are people that have said that that are in some position of not just being random Joe okay. "Science nowadays especially medical and sight and sociological science very fucked absolute"