How many people feature in the "capes" ident? If all of them got paid £60 plus "fed well", it gives you an idea as to how much some idents can cost to make. It is therefore no surprise that the BBC have gone simpler. Although a CGI image wouldn't need paying at all - only the person who created it, and only once!
If we only get one life, why does it take several attempts to get it right?