KOSA has been heavily criticized by members of the "Don't Delete Art" (DDA) movement, including American Civil Liberties Union, the National Coalition Against Censorship, Fight for the Future, the Electronic Frontier Foundation, the Woodhull Freedom Foundation, libertarian magazine Reason, and anti-abortion group Students for Life.

That presents a good websearch lists, if you want to know how this will negatively affect the internet and the lives of children.

There's a petition you can sign here.