Bug#193106: bugs.debian.org: what defaults on /Bugs page?

[Dan Jacobson <jidanni@dman.ddts.net>]

>> On http://www.debian.org/Bugs/:
>> Additional settings (which you may leave untouched, the defaults will work):

>> * Include severity: critical grave serious important normal minor wishlist fixed
>> * Exclude severity: critical grave serious important normal minor wishlist fixed

>> Things that should be addressed by the wording on that page:
>> What defaults?

C> Isn't it clear that the initial state of all the radio buttons and
C> checkboxes shows you the defaults? I thought it was (after all, it has
C> to be that way or the form submission will do something other than the
C> "default").

Well, of the two lines I quoted, none of the boxes are checked.
However, the results produced act like all the "Include severity"
boxes were checked.  So why aren't they initially checked when the
user encounters them?