Read for yourself.
"[ I]f an Elite Member has a confirmed reservation, but is relocated from the property upon arrival, the Participating Property will pay the Ultimate Reservation Guarantee compensation in place on that date under the Program Rules."
Marriott Bonv
∘y Loyalty Program Terms & Conditions, 4.3.a.iii., Ultimate Reservation Guarantee (emphasis added).
https://www.marriott.com/loyalty/terms/default.mi#elite