Post-truth as a service.
If you read through this page you might even conclude that Wikipedia itself is “post-truth”
https://en.wikipedia.org/wiki/List_of_Wikipedia_controversies
At any point in time you could be reading a defaced or propagandized version of an article.
This is such a rich statement to make from a social media site of all places. My guy have you even looked at what some of the instances on Lemmy believe in? How is a federated wiki site any different?
By all means use wikipedia if you wish. As I’ve already pointed out in another comment, Wikipedia is often edited by bad or nationalist actors that do go undetected for a while.