There is very little signal on quora, mostly noise, the UI is confusing and it pollutes results, so I cannot agree more. But there are many more websites that

There is very little signal on quora, mostly noise, the UI is confusing and it pollutes results, so I cannot agree more. But there are many more websites that should be "removed", instagram, pinterest (basically everything that requires a log-in). Also, all reposts should be removed, there are so many sites reposting SO or mailing list content with weird UI.