Your last 2 points, he knew these 3 weeks ago, when he accepted the job. And he knew them when he was packing his stuff up Tuesday morning.
QB Controversy? If the Colts know his shoulder is bum, they've accepted that they need to replace Luck. The pressure to replace Luck? Please. How about the pressure of taking over, if that what was promised to him, for the greatest football coach ever AND replacing the best QB ever?
Yea he obviously chose the situation with less pressure