Ties between Google and Democrats:
https://www.theblaze.com/contributions/the-increasingly-incestuous-ties-between-google-and-the-democratic-party

Google was amongst the Top 5 contributors to Joe Bidens campaign:
https://www.nbcnews.com/tech/tech-news/amazon-big-tech-cozy-biden-camp-cash-connections-rcna145

Leaked video exposing Google as a leftist front:
https://www.powerlineblog.com/archives/2018/09/its-official-google-is-a-democratic-party-front.php

Youtubes CEO Susan Wojcicki is very aware that Youtube users don't like the new pro-mainstream corporation policy:
https://www.digitalinformationworld.com/2020/05/youtube-keeps-boosting-mainstream-media-outlets-although-viewers-dont-want-to-watch.html

Youtube deleted 2.5 million dislikes from Joe Bidens white house videos:
https://cnnbc.com/youtube-deleted-2-5-million-dislikes-from-biden-white-house-videos

https://www.theepochtimes.com/youtube-deleted-2-5-million-dislikes-from-biden-white-house-videos-data-indicates_3759997.html

Youtube wanted to get rid of the dislike-button altogether - could be related to their own channel and Youtube rewmind always getting more dislikes than likes the past years:
https://twitter.com/YouTube/status/1376942486594150405

Youtube also chose to auto-delete insults against the CCP in chinese:
https://www.cnbc.com/2020/05/27/youtube-china-communisty-party-comments.html

https://www.theverge.com/2020/5/26/21270290/youtube-deleting-comments-censorship-chinese-communist-party-ccp

Joe Biden turns off comment section for videos:
https://theredelephants.com/official-joe-biden-white-house-youtube-channel-turns-off-comments-as-every-video-receives-more-dislikes-than-likes/

The Robin Hood app and Wall Street:
https://nypost.com/2021/01/29/google-deletes-thousands-of-negative-robinhood-app-reviews/

https://www.theverge.com/2021/2/1/22254656/robinhood-gamestop-stonks-trade-freeze-class-action-lawsuits

Other sources from one of my other videos on this topic, which is linked in the video description:
https://pastebin.com/8GN8YCs3