@b_jonas The way I read
that is long ago "post" correctly found "parent" (so Qs or As found the Q), then
it broke and "post" that is answer didn't find the "parent" (question).
Now they've completely changed things, to use "post" only (so Q or A). --- When they recalculate and you were previously (long ago) awarded correctly for "postID" to either Q or A (second to last paragraph,
and you used A but we're awarded for Q) you keep