Someone from Bend posted a whisper, which reads "I was trying to avoid eye contact with a police officer while walking and ran straight into a tree branch. I can still hear him laughing behind me.
I think it has to do with how Odin saw them. Odin saw Hela as a tool for conquering. Odin saw Loki as a tool for peace with the Jotun. Taika may have meant to highlight that they were both used by Odin with different results by having them look similar.