Disney has released a lot of nods in Tyrus' direction (the Look Back, the costume, etc.), but none of them have required confrontation in the storyline. The costume plan does. There really can't be any more scenes with TJ and Cyrus without a conversation about why their costume plan never happened, meaning TJ has to confess to being scared.
Which means he has to confess to what he was scared about.
The costume dilemma might have hurt Cyrus, but it could also end a much worse, much longer-felt pain.