It’s all the potential stories that can be told that are interesting… with all the stories that have been already been told.
It was obvious that Wanda had a problem with being related to Magneto, with all her time in the Brotherhood. How she dealt with that was interesting…
And it’s also obvious that being a mutant didn’t mean for Wanda the same thing than for many mutants, it was something secondary to her, she built a life of her own that didn’t have something to do with that ideology… and that was interesting, too.
Life is harsh for super-heroes, we don’t read their stories to see them being happy and flourishing. (Otherwise it would be boring…) Wanda could be a very special mutant (if she resurrects, of course…) and not because she is a mutant, but an unique person with a peculiar vision of her place in the world…