I think it’s exactly what Wikipedia tries to do. But given the scale of things its not going to get it right every time.
Fascism:
Science must respect the dignity and rights of all humans [..] In some cases, however, potential harms to the populations studied may outweigh the benefit of publication. - https://www.nature.com/articles/s41562-022-01443-2
Science Must Not Be Used to Foster White Supremacy [..] For another thing, scientists must do some soul-searching about why they are so motivated to look for evidence that traits like intelligence or propensity to violence are written in our genes, or that they would be different for people in different racial groups. - https://www.scientificamerican.com/article/science-must-not-...
The National Institutes of Health now blocks access to an important database if it thinks a scientist’s research may enter “forbidden” territory. - https://www.city-journal.org/nih-blocks-access-to-genetics-d...
Fascist ideology doesn't want the idea of truth to exist and Wikipedia weighing in and saying "this is the best approximation of truth we got" is a small but powerful assault against fascist ideology.
The purpose of free speech is to protect speaking truth to power. If there is no conception of what truth is then how can one speak truth to power?
"Dubious donations" seems like the epitome of FUD.