It sounds like the issue isnt for "independent wikis" but for wikis competing with an existing domain already hosting one on the topic, in this case fandom.com's.

That answer is quality content (higher than AI or human medians), links and pr and social activity and mentions, and then user experience.

Field v. Google, Inc. (2006)

https://www.practicalecommerce.com/Search-Engines-Indexing-a...

Authors Guild v. Google, Inc. (2015)

https://www.flaglerlawgroup.com/a-new-era-for-fair-use-court...

I've been looking for explicit alternatives to Fandom for some content and it's annoyingly sparse.

Just the other day I saw some meme about how if we saw as many ads taking over sites like we do now, that was a sure sign of having your machine getting infected with a virus.

Generally I've found a good portion of websites that block users with ad blockers tend to be the worst offenders with aggressive ads...