To be fair, this would be true if you just emerged from a 20 year coma.

Browser are the largest individual representative of web technologies (in terms of traffic, users). The three things you listed are all consumed primarily through browsers. And the article we're discussing explicitly is talking about applications- either on the mobile phone, or in the mobile browser.

No, I don't want Fuchsia, that's just another OS on top of the 3 we have, with significant restrictions. It was really just a tool for Google to have more power over Android developers and hardware manufacturers.