Why do you guys tell him it's because of his low power when he actually said that the AIs were inferior in both tech and power?

I don't know about you, but I'm no magician and can't tell that the guy was lying or making things up
Of course nothing can be done to investigate this 'bug' without a save. Morfanos, if it happens to you in every game, just start a new game and provide us with a save. I also
suspect that there's something wrong with your play style rather than with the game itself, after all I have the same game as you