His comments on the relative capital utilization of Starship v. jet aircraft were shockingly innumerate.
Based on a 20 hour* v. 45 minute flight time to SG, he asserted a twenty fold capital efficiency increase. But that ignores turnaround times. Even with identical turnaround times of ~1 hour at landing and takeoff you are at 22 hours v. 3 hours.
*Overestimate of actual flight time from TX.
Plus, myriad factors indicate against identical turnaround times.