Photoshopping Daisy Ridley’s face onto a muscle body isn’t necessarily toxic. It could be funny if done right. It’s definitely fair game. I’ve made fun of a ton of actors in my day. Why are they off limits?
Even less toxic would be photoshopping the face of a movie character onto a muscle-man body. I don’t see any problem with making fun of Rey or making her look buff to illustrate some perception that her character is overpowered, which seems to be the context in this case.