YouTube's legal team has demanded that privacy-focused frontend alternative to YouTube, #Invidious, cease offering their client within seven days.
https://alternativeto.net/news/2023/6/youtube-legal-team-asked-invidious-developers-to-take-down-the-service-within-7-days/
https://alternativeto.net/news/2023/6/youtube-legal-team-asked-invidious-developers-to-take-down-the-service-within-7-days/