"So comics sales aren't what they used to be. We need to start branching out and reaching new readers."
"Exactly. Comics are still seen as not quite diverse enough."
"There's only one solution. Kill off one of the most prominent characters of color in the DCU."
QFT. A whole generation of potential comics readers know John as their first Green Lantern.
Don't worry, he will be back in the next universe reboot scheduled for just under three years from now.