It's a little early to be so smug about the stock dropping after the IPO. If it went up, and kept going up, that would just mean they left money on the table.

Facebook dropped 40% in the first 2 months after its IPO, now it's up almost 2,000%.

It's been a month for SpaceX, I'm not sure what this guy is expecting to happen. The only correct answer to what's going to happen with SpaceX stock is, I don't know. That answer also applies to every other stock.