I suggest you to start from the extension icon title.
I'll read it again and see.
I wish there would be a test where this kind of element blockers tested against malicious codes inside a website, malvertisings or popups.
I agree. It would be interesting to see it perform with no active AV, etc.
He states that blocking 3d-party(only over the HTTP) except the images and CSS files, will make browsing much more secure. This applies to my configuration too. I'm blocking all 3rd-parties except the CSS and images.
Yes, I've been following this as well.