Metascore 71; ‘Tenet’ Reviews: What the Critics Are Saying
https://www.metacritic.com/movie/tenet/critic-reviews (18 critics)
The majority of reviewers are Nolan fans who don't understand science and share his pop philosophy. They don't include the negative Deadline review.
https://variety.com/2020/film/news/tenet-christopher-nolan-critics-reviews-1234743452/
Though some critics were turned off by the film’s metaphysical babble, the overall consensus is that it’s a mind-blowing addition to Nolan’s already-impressive arsenal.
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‘Tenet’ Review: James Bond Types Are Thrown Into Confounding Sci-Fi Plot In A Christopher Nolan Film You Can Miss
https://deadline.com/2020/08/tenet-review-christopher-nolan-john-david-washington-robert-pattinson-1203020043/