You will need to install a user script manager extension to install this script.
This removes Twitter and YouTube's "fact check" links. I'll probably update it to support other social networking sites in the future as well.
Twitter example: https://twitter.com/abigailmarone/status/1311168519611052032 (warning: this is a political tweet, I am merely linking it as an example/test for this script, it is not an endorsement)
Youtube example: https://youtu.be/gAk7aX5hksU (courtesy of https://webapps.stackexchange.com/questions/140925/how-can-i-hide-the-who-covid-19-banner-on-youtube)
See also Remove Twitter trends.