Leaving aside the fact that a "free and open internet" doesn't preclude plugins that receive and transmit data via the internet (the opposite, in fact), it look

Leaving aside the fact that a "free and open internet" doesn't preclude plugins that receive and transmit data via the internet (the opposite, in fact), it looks fine in Safari here. It uses the HTML5 youtube player instead of the Flash one, but it does the layout just fine. Maybe you have an old version of Safari?