Conspiracy Theorist can exile cards with madness and then they can be played until end of the turn

[4423-mtg]

What is the expected behaviour of the card?

• Conspiracy Theorist's ability can find discarded cards only in your graveyard. If cards with madness are discarded, they are put in exile instead of your graveyard, so they cannot be found.

What is the actual behaviour of the card?

• Conspiracy Theorist's ability can find discarded cards with madness in exile, and also can exile one of them again. That card can be played from exile until end of the turn.

Screenshot

Please provide a list of affected cards Affects: [Conspiracy Theorist]

Card Images

[PennyDreadfulBot]

Still bugged according to ShepherdJohn in match 246040821.