Oh, dear God.
Guys, guys, guys; it's supposed to be funny
. No, Jack never met the Cybermen but the line fits and (just about) rhymes! This kind of discussion is precisely what the Comic Book Guy has been taking the pee out of for the last twenty years.
but isnt that the point of the song, they said they would do all of those things, and they did, but they didnt do that one, it seems to undermine the point of the song.