If it just ends the game, fine.
as far as i can tell any CRPL towers that are destroyable, and haven't been exempted from the global kill, should be destroyed when the inhibitor is.
(you could edit a map with CRPL towers on it, then add an inhib and test it, let us know how it goes :))
on the second point, if this is deleted then someone else will end up asking it again, if it isn't deleted the info will be available to anyone that looks for it.
why would we delete it? ???
We (I) don't delete questions. The space is not material, but the knowledge may be useful to other readers as well. :)