The idea behind this is always to out more relevant text on the pages of web-site so that the website can rank quite high.
Some might argue that this is precisely why we need standards - but consider what would happen if someone tried to create a them and enforce persons. http://infinitybus.com/__media__/js/netsoltrademark.php?d=Javhoy.com%2Farticle.php%3Fid%3D34003