Perception blitzed? Now you're just exaggerating what happened. Sukuna was right next to Gojo. All he would have to do is change his stance and grab his leg, which is exactly what he did. Gojo was surprised by Sukuna turning off his sure-hit anyway. The fact that Sukuna, even with the power increase of domain amplification, is still almost surprised by Gojo's speed and gets evaded and tagged by him says a lot about how much that mattered
And earlier, with a stat disadvantage due to not having his domain buff after it was shattered while Sukuna still had his, while getting endlessly slashed at by Malevolent Shrine, and while running RCT at full throttle, Sukuna didn't even end up landing a punch or a kick on Gojo. In no world is he perception blitzing him