This is not “extremism.” It’s basic, mainstream Sharia: “The husband may forbid his wife to leave the home…because of the hadith related by Bayhaqi that the Prophet…said, ‘It is not permissible for a woman who believes in Allah and the Last Day to allow someone into her husband’s house if he is opposed, or to go out of it if he is averse” (Reliance of the Traveller m10.4).

“Saudi Arabia Makes App to Stop Women from Traveling Without Consent,” by Zakaria Oudrhiri, Morocco World News, February 5, 2019: