For me, at least, it's being unable to load it in a background tab or copy the actual URL from the URL bar. It breaks the web. Plus who needs to lose even more

For me, at least, it's being unable to load it in a background tab or copy the actual URL from the URL bar. It breaks the web. Plus who needs to lose even more screen space to that stupid bar at the top plus the fact that the browser chrome doesn't hide itself when you scroll like it does on a normal page?