Those are all flaws in browsers, not HTML. In the case of bookmarks that's not even a part of HTML.
There's nothing stopping browser vendors solving the problems you're talking about but then you'll probably worry that browsers are becoming operating systems or something.
A bookmark is just a link and links are part of HTML. If you only workaround those issues only at the client level you aren't fixing anything, as the Web will still be crippled just the same. You need better ways to link content on the Web itself.
A bookmark is just a link and links are part of HTML.
Bookmarks are entirely part of the browser UI. They're an entry in a database of URLs that the browser presents to the user, and when the user clicks on one it tells the browser to navigate to that address. There is absolutely no HTML involved.
There's nothing stopping browser vendors solving the problems you're talking about but then you'll probably worry that browsers are becoming operating systems or something.