From one screen to the next, if you don't you'll miss some super minor thing and have to traverse the environment again (with no quick travel) just to find out you overlooked some tiny thing in detective vision

My biggest gripe is that several things don't make sense in the game, like why Batman isn't so prepared when he gets to Arkham and why WayneTech crates full are all over a maximum-security prison with all kinds of Bat-gadgetry

and that's a good thing

I think the wisest thing Nintendo did was make the 3DS games playable regardless if the 3D is on or not

From one screen to the next, if you don't you'll miss some super minor thing and have to traverse the environment again (with no quick travel) just to find out you overlooked some tiny thing in detective vision