Affleck’s public enthusiasm for the role and the DCEU’s direction appears to have increased since he made his decision to focus solely on acting, and his promise of a “traditional” Batman has certainly piqued our interest.
For him to walk away when things finally seem to have fallen into place wouldn’t necessarily make sense.
In all honesty, it would’ve been surprising for Ben Affleck to completely drop out of his role as Batman after his recent remarks about the progress Joss Whedon has made on Justice League.