キーワードのブロックはuBlock Originのマイフィルターに追加でできた

! [YouTube] Title Keyword Filter
youtube.com##ytd-rich-item-renderer, ytd-video-renderer, ytd-compact-video-renderer, ytd-grid-video-renderer, ytd-playlist-panel-video-renderer:has-text(/NGワード1|NGワード2|NGワード3/)
! [YouTube] Channel Filter
youtube.com##ytd-rich-item-renderer, ytd-video-renderer, ytd-compact-video-renderer, ytd-grid-video-renderer:has(#channel-name:has-text(/NGワード1|NGワード2|NGワード3/))