If the topic is notable enough to have a Wikipedia article, anyone is free to go ahead and improve the article. The Wikimedia Foundation doesn't write articles

If the topic is notable enough to have a Wikipedia article, anyone is free to go ahead and improve the article. The Wikimedia Foundation doesn't write articles or decide what topics to include; the Wikipedia community does that, at no cost to the Wikimedia Foundation. Anyone who wants to contribute can join the community at any time. Also keep in mind that Wikipedia does not allow original research, so if a topic doesn't have much reliable third party coverage, then the article wouldn't be able to include a lot of details.