It's all a bit bias, to be honest. Its a dating site.
If there are more single beautiful people on their members list outside the UK, it simply means that there are more single people who are good looking. Not that there are more good looking people full stop.
All us brit's might have just been snatched up and in relationships rather than staying single and joining websites for vain people who assume they are gorgeous.
It's about more than just looks to me. I don't mind a beautiful man (my man's pretty nice looking) but..... I prefer people to have the whole package, and looks isn't necessarily anywhere near the top of the list.
Back to the article, yes 'some' brits are ugly, just like the rest of the world.