This is extremely concerning. Phillip Cross was easily caught because he was running his mouth on twitter, and was blatantly making one-sided edits from his single account. Imagine if a country like Russia makes an orchestrated effort to achieve similar goals, using an army of fake-wikipedia-profiles. They could easily turn Wikipedia into a platform for disseminating propaganda. In fact, I'd be surprised if they have…
The goal was to get a Wikipedia bio crediting him with inventing a particular variant of mullet in the 70s.
We were unsuccessful in getting him inventor status, but we did a bio page created, and prominently featured a picture of him with a mullet. You just need a few months and some savvy dealing with the bureaucrats on the site. Slowly make relevant edits to build facts on other articles and you are good to go.