>On the other hand it looks like it'll become much harder for JavaScript-less environments to extract data from web-pages as now an article on a news site could be something like <news-article id="23848923"> and the JavaScript side will do the rest.
This is already the case on a lot of sites, just not standardized. With the standard you could sandbox the javascript or maybe implement specific parsing for the most common web components.
This is already the case on a lot of sites, just not standardized. With the standard you could sandbox the javascript or maybe implement specific parsing for the most common web components.