You are right.
2019 original rating
430 HP / 475 Torque
2022 Rating
335 HP / 438 Torque from 455 cubic inches in an engine with Variable Valve Timing.
Ford must have limited the higher RPM power with the engine controller and VVT to keep something from breaking or overheating?
F.O.R.D - fix /or /rerate /downward
https://www.ford.com/commercial-trucks/chassis-cab/features/power/Pickups still rated higher
https://media.ford.com/content/dam/...y/2023%20Super%20Duty%20Tech%20Specs.pdf