Personal opinion: this is less of an event, and more of “hey, we made some sports skins.”
I expected a lot more cosmetics than what we got. Just one new emote? Only two new highlight intros? Eh. And all the new victory poses are just rounding out the “X hero holds up a medal” set.
I didn’t even like Lucioball the first time. At least the home screen will look summer-y for a while, that’s still pretty cool.