'Many tech platforms have instituted policies against misinformation or hateful speech that have resulted in content such as election denial, anti-vaccine falsehoods and far-right conspiracy theories being removed – all which tend to skew Republican. But research has found that allegations of anti-conservative bias at social media companies have little empirical evidence, with a 2021 New York University study showing that these platforms’ algorithms instead often work to amplify rightwing content.'

https://www.theguardian.com/world/2023/jul/10/republicans-fuel-the-disinformation-wars