If the top-level domain of a website can now be chosen from any number of 2-3 character combinations (i.e. other than "com"), reducing chances of it having each

If the top-level domain of a website can now be chosen from any number of 2-3 character combinations (i.e. other than "com"), reducing chances of it having each URL be "guessable", then why bother with top-level domains at all? http://en.wikipedia.org/wiki/List_of_Internet_top-level_domains http://en.wikipedia.org/wiki/List_of_Internet_top-level_doma...