I would love an explanation why this match ever even happened. It makes absolutely no sense. id rather not even find a match is this is how things are going to go for the foreseeable future.
There is no chance the system thought this would be fair, or predicted a 50/50 outcome.
If you have any queries about the introduction of TrueSkill 2, feel free to post in the Matchmaking Feedback topic. If you link up some games you want to query, Dr. Menke can provide feedback on them:
https://www.halowaypoint.com/en-us/forums/58b8518e005f432381ab99fbcaf931e0/topics/matchmaking-feedback-update-%e2%80%93-may-7/da8b4ec4-ab45-4809-b6a3-f3bb5b27d8b4/posts