Here's the Official Explanation of Kylo Ren's Crossguard Lightsaber

Remember when the crossguard saber was first revealed and we all went a little nuts whining about how ridiculous it was? Just me?

A new Star Wars exhibit at Disneyland offers the official explanation, and it's one that makes a lot of sense: those cross-beams are exhaust, not silly additional blades.

I guess this is out of the question, then?