She seems to have instigated this ambition, but Orochi’s intelligence was highlighted recently with the attack on the bridges and Thousand Sunny. He seems to be the driving force at this stage, making full use of his allies abilities.
If someone is as despicable as him, that you really want to see him getting utterly wrecked as a reader ... that means Oda has done everything right with him.
Just feel bad for all the people in Wano and especially Oden and his family and subordinates.