[GamePlay] Significant Minion AI Error

--MUTE THE VIDEO, HIGHLIGHTED CLIPS LIKE TO MAKE HIGH PITCHED SCREECHES--

During a ranked Duo Match we came across a strange patch of minion AI. Minions seemed to decide to ignore base turrets and attempted to actually walk back out of the enemy base away from nexus turrets. Two full waves of creep seemingly walk back and forth ignoring the turret, if inhibs were all up this would explain the issue but as shown in the clip they had open inhibs and the creep should have beelined for the closest turret. Have seen smaller instances of this but this is by far the worst case of strange AI behaviors lately. Nothing seems to have directly caused it, only logic thought is minions actually fully blocking each others walking paths. Will look into seeing if I can get it to replicate anyway, but seemed bad enough to warrant bringing some attention to.