Her look is suitable, plus they won't cast Anya Taylor Joy as 2
Nintendo princesses.
Also free advertising on Twitter when the anti-woke mob catch onto the fact that shes trans.
Its gonna be near impossible to live up to what fans want from this film anyway. It needs to be an epic 3 hour movie with a huge budget, and add some depth to the characters while staying true to the spirit of the games. Not easy.