I don't think we had two pages of complemantary evidence from the source material to go solely based on that.
Before, the mention of the ability seemed simply unescessary, since events were going sorta like we expected they would had the ability still existed. However, dialogues on the recent chapters do give some basis for that speculation.
Now, it does seem awfuly strange indeed, like you said. They are talking precisely about an ability Devil Style made neutral before, yet they are reacting as if it was always in effect.
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