If they hadn't done that Phoenix wouldn't hear of trading him.
speculation. If JJ was unhappy and unwilling to stay in Phoenix, no one knows that they would have kept him.
They made a point in saying that their biggest priority of that season was to re-sign Joe Johnson.
That could be genuine or it could be media spin.
a team under the cap would have signed him anyway.
speculation again. No one knows where JJ would have gone if he hadn't gone to Atlanta.
I'm not saying you're wrong, but we don't know that you're right either.