What's 343i's opinion on custom game mods?

I’ve been wondering what 343i’s official opinion on modding custom games is, because at the moment there are a plethora of closed-off options and glitched sliders.

More specifically, I’ve been wondering the answer to these questions.
What are the repercussions for modding a gametype?
What are the repercussions for having a modded gametype on our fileshares?
What are the repercussions for downloading a modded gametype?
What are the repercussions for setting up a game with a modded gametype?
What are the repercussions for playing on a modded gametype?

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The short answer is: Do not discuss modded content, promote modded content or engage in modded content.

Thank you and keep it clean.