Interesting. I'd love to have a browser extension that automatically blocks all comment sections on every site I visit, so I wouldn't feel the need to interact with anyone online.
As opposed to OP's extension, I would heartily recommend this one.
14 days ago exactly this was submitted to HN: https://news.ycombinator.com/item?id=46991435
14 days ago - https://news.ycombinator.com/item?id=46991435