Having <html:a href="/cats">Cats</a> as a link just looks weird. What's wrong with just using <head>, <html> and <a> instead of <html:head>, <html:a> etc...?

Having <html:a href="/cats">Cats</a> as a link just looks weird. What's wrong with just using <head>, <html> and <a> instead of <html:head>, <html:a> etc...? Bad proposal IMO.