Your eyewitness input, WilliamFL - for which thanks most sincere from me, too! - confirms all the deep-drill-down DD that FCB, SAIC, INTEL and a whole cavalcade of others have done.
To my mind, Picksit's right on target in saying (11121) the magnitude of the deal NEOM & VIRGIN are hammering out is so precedent-setting, so staggering in scope, that both sides absolutely NEED more time....to keep would-be parasites from exploiting loopholes - that "devil in the details"! - which any rush job would inevitably leave.