Well its not like they're going to continue the Nolan arc anyway so you have nothing to worry about.
For me, I recall the rumors back in the day that there was something more to JGL as "John Blake" than they're letting on. With the idea being, you don't hire an actor of JGLs caliber and give him a "bit" part in a blockbuster movie.
The rumors that he was Batman's successor I read about but scoffed at because the only way they'd do that is if they kill off Batman
which of course, I
also scoffed at.
Then as the movie goes on and you get to learn about John Blake, it became clear that this is all leading to something
-Orphaned.
-Figured out Batman's identity.
-Good cop, strong morals.
-Ally to Bruce and Gordon.
-Throws the gun away after killing two men.
-Throws his badge and quits the force.
I gotta say, when the Bat blew up I was shocked. I honestly thought that they killed off Bruce Wayne.
Then the subsequent scenes of Blake picking up the bag, revealing his real name is "Robin" and having the location of the Batcave
it had me smiling.
Just the idea that Batman is more than just a man, he's an ideal and a symbol and is represented in that final shot of Blake in the cave just put me at a loss for words. The perfect ending.
Would he be Batman? Robin? Can't say. Doesn't matter
we'll never find out.
(my bet would be Nightwing though, haha.)