It depends on your disability I suppose.
I don’t need a powered tailgate, I don’t have a clue to be honest how many disabled not buying a WAV need a powered tailgate.
Ive just checked the spec and the car is well specked with other things disabled would find useful, heated seats, heated steering wheel, power fold and heated door mirrors, rear view camera adaptive cruise control, adaptive lights.
The Ionic5 does have electric tailgate and hands free