In this situation, even if Morgan Lisha is chosen as the Guardian, it is highly unlikely to alter the political landscape of Lordaeron. Moreover, Morgan Lisha might be drawn in and used by Gedwyn.
This is practically Dalaran presenting a great gift to Lordaeron. How can Dalaran ever stand as equals with Lordaeron from now on?
Rhonin, though his reputation isn't great, is merely a mage from humble beginnings. This makes him easier to manipulate. Although he isn't the ideal candidate for Guardian, at least he ensures Dalaran gains a powerful weapon rather than ending up benefiting others.
Antonidas ascended the platform, gazing solemnly at the two individuals below.
"This is a difficult decision. Morgan Lisha, Rhonin, both of you performed exceptionally well during the Battle of Mount Hyjal. Of course, Sole Sorcerer also fought valiantly, but unfortunately, he has already fallen.