I can think of at least one good thing that's... Well, I'll just let Charlie Kirk himself explain it:
AHAHAHAHAHAHAAAHAHAAAAAAAAAAA 
How about you all? Anything good to note? Can really be anything, either personal or in the news. Let's hear it!
My take is that if nothing else, Mamdani's victory showed that there's a demand for left-wing politics and not everyone in the US has had their brains turned to goo by propaganda. We often act like the mayonese-burgerlandic brainpan is fundamentally incompatible with socialist ideas and it's just nice to see that a lot of people in the US do actually want the same things we want.