Eh, she was always an active participant, even as far back as Ocarina of Time, but not like this. And aside from military conflicts, which princesses would not have participated in, the others are nothing like sending your sole heir to the Hylian royal bloodline down into a pit that has weird sickness-causing gaseous ooze coming out of it.

I found it to be contrived and dumb, and I say that as someone whose greatest claim to fame is creating Zelda-related stuff with more than 1 million combined downloads.