I hope I got your attention here.
I actually love Youtube however there are so many other public video sites that provide far greater quality for your posts, pages and websites.
I just wrote a post for my students on the site we are building highlighting the two different styles and I think you can see the second one is much superior in video quality.
Using Public Video In Posts | beststreamingmedia.com
Of course content is also something to consider.
Hope this helps and what do you think.