As for Wikipedia niche network, they are more unique, they are firstly niche base and each backlinks has actually Wikipedia page linking back to the PBN itself.
This is how it works…
Once your order is received, we will create a title/article that is related to your niche. And from there, we will edit the article to drop in an anchor text that will link back to your website.
This is the same general-themed PBN websites that I’ve used for most of my local clients who are specialized in different niche. They were ranked well with it.
Here are some of the samples:
To conclude, theories aside… a unique written content might be ‘Good To Have” but it is not indefinitely a “Must Have”. I never had any issues ranking my own sites, my local clients’ sites, and even those who have bought my links about a year ago — it is still ranking high.