Well, according to Terry Tao, there were recent developments (from weeks ago) that made Navier Stokes in principle, solvable. So ignoring time, I say possibly, just because the groundwork was laid.

What's impressive is parallelizing it arbitrarily and doing it in 88 hours.

Not as many as you'd expect. The perceived difficulty of the problem leads people to more reliable pastures.

Probably yes. Only a handful of mathematicians work on this particular problem, and ALL of them do not exclusively work on this problem, while having administrative and teaching duties.

The real issue is we'll never know. The rich are willing to risk it all on charismatic CEO psychopaths but not on humans.