>it involved insane things like strapping a pair of headphones onto a seal and playing rocket sounds to it
There are actual images of a seal with headphones strapped to its head online!
There are actual images of a seal with headphones strapped to its head online!
https://x.com/mcrs987/status/1848070131781455911 asserts it was actually a study for the Delta IV booster, not something SpaceX had to do.
Not a "citation" as much as anecdotal evidence that dispels doubt.
Musk also famously tweeted "funding secured" for Tesla. "He's lying" is 100% within the realm of possibility.