The Legend of Zelda: Tears of the Kingdom is a standalone game, not purely an add-on to Breath of the Wild. So no, you don’t need BotW experience to play TotK.
Shrine Colours in Zelda: Tears of the Kingdom and Breath of the Wild - Game Design Blog
5 'Zelda' Games To Play Before 'Tears Of The Kingdom' — CultureSlate
5 quality-of-life features in Zelda: Tears of the Kingdom - Polygon
Is Zelda: Breath of the Wild essential before Tears of the Kingdom? - Polygon, the legend of zelda tears of the kingdom
The Legend of Zelda: Tears of the Kingdom' Embraces Mad Scientist Discovery
Tears of the Kingdom's bridge physics are impressive - Polygon
Zonai Constructs in TotK Made Me Regret Hating BotW Guardians
Zelda: Tears of the Kingdom release date, story, and every trailer - Polygon
Is Zelda: Breath of the Wild essential before Tears of the Kingdom? - Polygon, the legend of zelda tears of the kingdom
Zelda: Tears Of The Kingdom Review Roundup: A Masterpiece
The 12 Best Side Quests to do in Zelda: Tears of the Kingdom (TotK) – GameSkinny