Aerospace had a lot of overqualified, underutilized engineers that were spectacularly easy to tap into with a little bit of extra money and a very interesting project.
That does not hold for Twitter. There is no magic clump of overqualified, underutilized people to tap into without throwing LOTS of money around. On top of that, Twitter mostly isn't that interesting.
At the moment there is a magic clump of such people, large language model experts from big tech who have left because they got sick of not being able to apply the technology.
They are currently floating around in various startups, but we are entering a tough market for VC funding. Twitter can offer hardware, data and a culture of shipping.
That does not hold for Twitter. There is no magic clump of overqualified, underutilized people to tap into without throwing LOTS of money around. On top of that, Twitter mostly isn't that interesting.