I think the real point is that this isn't something that is made plain to prospective purchasers... I was one of those people that threw a blue-arsed fit when DJI released that firmware for the mini 3 pro that hobbled the max altitude to 400'...
...and because it's now in a heavier weight class: as pointed out by Gadgetguy, you don't have the freedom to fly in any of the places a sub-250grm drone can under the A1 sub-category, you also are now limited to flying in accordance with A3...
...hang on... Maybe I'm being a bit thick here but what your posts suggest is that as a box-fresh C0 class drone: the mini 5 pro is limited to 400' altitude unless registered with DJI as a >250grm C1 class drone which increases its ceiling to...