Of course it's possible that in April the folks working for MBS realized that Bezos was not going to place his thumb on the reporting done by WaPo so they hacke

Of course it's possible that in April the folks working for MBS realized that Bezos was not going to place his thumb on the reporting done by WaPo so they hacked his phone primarily as a means to spy and get ahead of future news, then they found compromising materials and used AMI to try and blackmail Bezos, but that is all speculation.