Fixed match is obvious bullshit which is for everyone to see (curled toes) and if Aldo went full retard it's his own fault.
Besides, Aldo was fully teared up after the knock out. That fucking beast of a fighter was crying.
I personally think that McGregor got in his head. When you're undefeated for 10 years (!) and suddenly someone appears who has obviously all the skill and tools to defeat you, that's adding pressure. Not to mention all the shit McGregor pulled on him...
I do hope for a proper re-match in 12 to 18 months tho.