In his youth, he shared the same views as the dark wizard Gellert Grindelwald, and even brought his knowledge to what would eventually be a planned takeover of the muggle world.

Source: https://screenrant.com/harry-potter-evil-gryffindors/

It was Dumbledore and Grindelwald who took center stage, which might have been fine if the movies hadn't misled audiences to believe that Newt, his beasts, and the wizarding world of America were going to be the focus of the spinoff movie series.

Source: https://screenrant.com/fantastic-beasts-failed-becuase-dumbledore-problem/

The burst of goodwill apparently has yet to translate into Hollywood work for the “Pirates of the Caribbean” star, who was asked to resign in 2020 from the “Fantastic Beasts” franchise as Grindelwald.

Source: https://www.huffpost.com/entry/johnny-depp-ovation-cannes_n_64649b10e4b0ab2b97e44187

The Crimes of Grindelwald to make an impact at the box office compared to the other movies in the series.

Source: https://screenrant.com/harry-potter-movies-ranked-by-budget/

Though not shown, he had likely swayed some as this iteration of Grindelwald showcased his manipulation.

Source: https://www.cbr.com/farrell-depp-mikkelsen-best-grindelwald-harry-potter/