The moment Ray Allen left the Boston Celtics and joined the Miami Heat, you knew he would never have the same relationship with the franchise, and the fans in particular. We have clearly see the distance between Allen and the rest of that championship core, and you cannot deny the strain that is on their relationship.
When they talk about each other now, it feels like they are trying to keep the past behind them. There does not need to be any additional bad blood, but al the talk of reunions and whether or not Allen would be with them brought all kinds of attention to this.