Think of the children.

https://en.wikipedia.org/wiki/Think_of_the_children

https://scholarship.law.missouri.edu/mlr/vol89/iss3/9/ Think of the Children! Unmasking the Rhetoric Behind Internet Censorship in the Digital Age

https://isaacg1.github.io/2023/04/02/think-of-the.html 'Think of the Children' Fallacy