Originally Posted by
Dr. Ellingham
Yes, but the strategy now is - for Justice League content, use whichever GL makes sense. For something JLU-ish they use John. For Super Hero Girls they use Jessica, and otherwise they still use Hal.
In team situations, they may make fun of characters to generate interpersonal dynamics, humor. Focusing on GL for that was Geoff Johns' idea - it's his blueprint they're following.
When GL is a primary character? DC knows Hal is the central character to the mythology. That's why right they're publishing a high-profile book featuring Hal by Grant Morrison. Hal is the quarterback of the GL property.