Your story regarding Caldwell is typical of the attempts to justify mediocrity and a clear example of why players are the problem not the solution.
Caldwell could quite easily have come out and said: 'Despite the fact that others in the club are being paid a ridiculous amount of money that is ludicrous, I am more than happy to continue my career on a mere £400k plus bonuses. Perhaps others within the game may chose to follow my example.' He didn't. He, like the rest of them, demanded obscene money and justified (as you are doing) by saying it is the same as everyone else.
Until a player of intelligence and stature has the gumption to come out make a stance our game will continue in the same manner. Sad.
Equally, as long as intelligent supporters like you seek excuses for players behaviour we are doomed.
There was (and rightly so) a public clamour for bankers to be denied bonuses which led to Stephen Hester refusing in excess of a £1m. I see little difference in the behaviour of fat cat bankers and fat cat footballers. In the vast majority of cases they are delivering a sub standard product and lining their own pockets at the expense of the masses. Equally, in both cases, they have apologists. I am not one.
What your post also highlights is how incorrect I was in stating that average players can earn in excess of £500 kpa. Caldwell earned in excess of £1 million if you are correct!