One other thing about the article about the Tilt-Rotor "test pilot's" recommendation...
He got to actually pilot Tilt-Rotors. What I mean by this is that there have been guest and non-company pilots that have flown and evaluated every Tilt-Rotor design that's ever flown. Whereas with X2 (I'm excluding the XH-59 because Sikorsky has said it was an ABC and not representative of the more advanced X2 technology), no non-company pilot has ever been allowed to pilot (i.e. have full control) any X2. In fact,
AFAIK only one non-company person has ever even flown in any X2.
For those who might point out an Army civilian experimental test pilot flew in the S-97 in August of 2020, he was not allowed to use the collective and have full control because as the accompanying Sikorsky test pilot explained (this is a direct quote), “I am not confident sitting in the left seat of that machine and letting somebody take it for a spin around the block",