[mschuster91]

> It’s not like SpaceX is going to tank in the next 3 months and they’ll be left holding the bag.

A stock's value can disappear in a matter of days to a degree it leads to a complete collapse. It has happened before, see Enron or Wirecard.

> It’s not like it wasn’t going to end up in every index in a year.

Sure, but it's still not wise to let unripe stocks into most American and RoW retirement funds. There's a reason why many complex software projects keep some sort of "staging" tree, and the stock markets should do so as well.