Doesn't that make it even more arbitrary for Ameno-sagiri to appear in that fashion, practically oozing out of Adachi? If he didn't control Adachi per se, why was he/it residing in his body? Because it's cozy in there?
Here's the thing. Adachi wasn't being controlled. Everything he did was of his own will. Ameno-sagiri's appearance doesn't in anyway make negligible Adachi's crimes. Again, his power did not manipulate him, he manipulated his power. "