But I interpreted the comment you answered to as saying that doing your own research is time consuming/costly. And requiring people to "do their own research" is often infeasible.
I keep seeing discussions that go like preprint/abstract pokemon battles where everyone's just throwing out papers they don't understand that seem to corroborate their point as though that was enough.
If you can't read the papers, and don't understand their context in the field, then you really shouldn't be drawing conclusions from them. In science, you always start with "I don't know". If you see evidence that you don't understand, then you still don't know.
It's the same phenomenon among people who learn logical fallacies for the first time. Instead of using that knowledge to improve their own framing and arguments, they instead use it as insta-kill magic spells to "win" arguments without actually bothering to understand the opposition.
Intellectual humility and curiosity are in short supply, especially in online spaces where you're rewarded for combat and engagement.
That was possibly sound advice in the past, but it's definitely severely incomplete advice in the modern information ecosystem.
The pseudoscience people aren't eschewing science in favor of the emerald tablet of hermes trismegistus and drawing conclusions from seances and divining rods. More often than not, they draw on published articles too.
So no, it doesn't even take an undergraduate level of understanding to contribute, and you don't need a degree to beat the experts (sometimes). I think you're envisioning a world where science is "mostly okay" and at any rate mostly inexploitable: chess computers may make mistakes, but you certainly can't catch them in one. Whereas I think people have been espousing this view of science for so long, and marginalizing citizen science for so long, that there are now many opportunities for personally invested individuals to spot things that people with degrees missed.
So sure, some people will fall for conspiracy theories. Some people will fall for fraud. Some people will simply believe wrong things. But "science" as an institution (ie. excepting the sense that any such study is science) does not deserve any sort of monopoly on finding out true things, and claiming otherwise does both the scientific community and the populace at large a disservice.
[1] https://www.nytimes.com/interactive/2022/10/29/opinion/scien...