And YouTube does this by “skipping” the video, that is, automatically scrolling the video to the end. In other words, if a user wants to watch a video with the ad blocker enabled, they will not be able to watch the video; The video will end immediately.
Trying to restart the video will only cause rewinding or endless loading, but you will not be able to watch the video. The only way to get around the restriction is to disable your ad blocker or purchase YouTube Premium.
Source: Ferra

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