Wikipedia is number one on any Google search, with especially advantageous snippets on every search engine. It it hard coded into things like Siri. It's not hard to imagine the economical value of a bit of inside access to the platform.

There are several types of organizations with a big budget whose job it is to influence public discourse. It wouldn't surprise me if some of them were found to be in control of an editor's account in some way. The easiest way is probably to hire one, but seeing accounts are bought and sold on pretty much every other online service the possibility is there.

You just have to be very careful not to burn them. Sloppiness would probably look like editors working exactly the same hours every day for a decade without ever tiring, vacationing or being sick.