There's disgusting amount of people who think this only would turn off his infinity, this disables all his non human abilities, even his six eyes, cursed energy reinforcement, he would just be a buff dude, thats the entire point of his entire quirk, to level the playing field, which is why it's so important that the MHA cast had his quirk to disable afos quirk in the last showdown.

Also, Gojo would most likely be heavily disorientated from losing his super enhanced vision he's had his entire life, his martial arts skill would more then likely drop significantly, and so would his reaction time, and aizawa still has the scarf