YC - calling on you to take action and hold Garry Tan accountable.
Also, while I don't think that a serious threat was intended in this case, there is absolutely no logic to the idea that something cannot possibly be construed as a threat if it's a quotation from song lyrics.
But, I mean, calling this "disgraceful" is narratively a lot more fun than just acknowledging that social media affords us all the opportunity to faceplant publicly with age-revealing pop culture humor. I'm sorry to be captain fun vampire, but the narratively-most-interesting interpretation of a story is very rarely the truest.