Anonymous has been able to accomplish a variety of things, including:
Supporting the Arab Spring: Anonymous hacked into government websites and took them offline in Egypt and Syria. They also distributed anonymising software for protesters and helped share videos of the uprising in Tunisia.
Fighting child pornography: Anonymous has exposed enterprises that provided a platform for child pornography and helped in the arrest of Internet predators.
Protesting against Scientology: Anonymous launched an online offensive against the Church of Scientology, including phone, fax and e-mail spamming, and DDoS attacks.
Taking down government websites: Anonymous has taken down government websites in response to a variety of issues, including stringent LGBT laws, imageboard censorship, and government oppression.
Exposing corruption: Anonymous has published usernames in relation to nefarious activities and outed the owners and operators of Freedom Hosting for their support for child pornography.
These are just a few examples of the many things that Anonymous has been able to accomplish. While their methods are sometimes controversial, there is no doubt that they have had a significant impact on the world.
I know you won't so here you go. Btw you can just ask Gemini for links to it's info noob
https://www.aljazeera.com/news/2011/5/19/anonymous-and-the-arab-uprisings
https://www.bbc.co.uk/news/technology-12110892
https://www.theguardian.com/commentisfree/cifamerica/2011/feb/17/wikileaks-internet
https://www.wired.com/story/freedom-hosting-ii-hack-dark-web-offline/
https://www.nbcnews.com/storyline/hacking-in-america/hackers-take-down-thousands-dark-web-sites-post-private-data-n717556
https://www.theguardian.com/technology/2008/feb/04/news
https://www.theguardian.com/technology/2015/nov/06/anonymous-ku-klux-klan-name-leak
Every one of these was singing worrisome they did which had effects.
As somebody who was trying to find info on Scientology from back in the BBS pre Internet days they were very helpful.