Youtube has a 3 strike system. If content violates their Community Guidelines then it receives a warning, after the second warning it gets a strike, then a second strike, and final a third strike which results in the account being permanently banned.
Youtube has a policy under which they remove content and channels which use fake engagement "YouTube doesn’t allow anything that artificially increases the number of views, likes, comments, or other metric either through the use of automatic systems or by serving up videos to unsuspecting viewers. Additionally, content that solely exists to incentivize viewers for engagement (views, likes, comments, etc) is prohibited."
Youtube has a policy which prohibits impersonation of people or channels.
Youtube has declared it will remove “content that has been technically manipulated or doctored in a way that misleads users (beyond clips taken out of context) and may pose a serious risk of egregious harm”.
History of Youtube Policies
January 25 2019: Youtube begins "reducing recommendations of borderline content and content that could misinform users in harmful ways" particularly around conspiracy videos.
October 15 2020: Youtube moves against conspiracy videos expanding their policies to "prohibit content that targets an individual or group with conspiracy theories that have been used to justify real-world violence"
2020 Youtube said it will remove election related content that violates its community guidelines: "These policies prohibit hate speech, harassment, and deceptive practices, including content that aims to mislead people about voting or videos that are technically manipulated or doctored in a way that misleads users (beyond clips taken out of context) and may pose a serious risk of egregious harm,"
Additionally they would remove any information that came from hacked sources and "any content encouraging others to interfere with democratic processes, such as obstructing or interrupting voting procedures"