As part of our commitment to supporting the growth and operational capabilities of Mastodon, we have established a 501(c)(3) non-profit entity in the United States aimed at facilitating our efforts, including being able to receive tax-deductible U.S. donations.
That's not what the story is here - this is an additional fund raising entity to support the independence of the platform. The post is very clear that Mastodon (the project) remains a European organisation
However, it’s also important for us that Mastodon is one of the few, if not the only social media platform that operates out of the EU, and we would like to keep it that way.