All those DADA professors are from different years and Harry straight up murdered the first one so I'm assuming this all takes place in another dimension.
@TR Infiltrator, Well when a kid falls from the height of the tallest tower and then loses all the bones in his arm because of a back alley Defense Against the Dark Arts teacher it may be time to call it something less lighthearted than Quidditch.
I swear to god if top comment is referring to this being a repost...