It is not any other fan’s job to appreciate a character that you like and find compelling and interesting.

Sometimes a canon fails to make a character compelling and interesting for the majority of a fandom of that work. Often this kind of character was poorly served by the writing.

If there’s a character that you find compelling and interesting, and the fandom does not agree and does not feel compelled to make fanworks about them, there are two things you can do.

You can create the fan works that you want to see.

or

You can create and share your meta about the character in a way that convinces other fans that that character is compelling and interesting to create works about.

What you cannot do is compel other fans to create works about characters that they are simply uninterested in.

note: this post was specifically inspired by discussions on the lack of nuanced portrayals of woman characters in fanfiction, and the perceived dominance of slash ships to the exclusion of women, but it applies universally.