just like there is no evidence of the contrary
Except there is, we’ve seen characters wearing sea stone cuffs and their depiction (shoulders, arms, etc) does not match King and Queen’s. Their arms should be in front of their chests.
And Aramaki litterally says “I warned you not to try me.”
I don’t think King and Queen would be retarded enough to attack him if they were cuffed.
And the context implies Queen was drinking