Should anonymity be allowed on the internet?

Below paragraphs are the response of those three questions highlighted in yellow.

All you have to do is to write a reply why you either agree or disagree with his answer. This is not a paper, so you can just answer the question, no need to have introduction or conclusion. Feel free to research more source to support the answer. Answer should be more like opinion.
Question:
Should anonymity be allowed on the internet? (W01)
Should “members only” sections be allowed and all content vetted or filtered? (W02, W03)
What role do social media sites have in promoting anonymity? (W02, W03)