My guess is that it provided (a) a pretty list and (b) something that was public so already clearly been okayed by the powers that be. [edit: removed "missing"

My guess is that it provided (a) a pretty list and (b) something that was public so already clearly been okayed by the powers that be. [edit: removed "missing" alt text complaint as it is there and apparently I no longer know how browser ui works :-O]