Imagine getting up on stage for a presentation that would have cost in the ballpark of $500,000, all to promote your new video game, and instead of having people talk about it, they are instead talking about:
a) Your stupid hat
b) How your little speech sounded like a wizard breathed life into a downvoted Reddit comment.
Also worth noting, in case you were wondering about the black hat, a colour choice made popular during the 2024 election campaign by Elon Musk:

UPDATE, 3:30am ET, June 7: Looks like “loser” was being generous:

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