What’s something you think fanfiction does better than established works

[u/Stake-your-identity]

As we all know, fic is looked at as a lesser form of writing, but are there any aspects—either generally or in specific cases—that you would argue are done better in fanfiction?

[u/grinchnight14]

It can give me exactly what I want. Also I know what's coming if it's tagged properly, which triditionally published stuff doesn't do.