Closing this down now does more harm than had this pilot never been started, as it suggests a Meta or X alternative is easier.
Setting up and maintaining a fediverse server is done by amateurs across the globe in their free time using Ko-fi pocket money. That's not easy, but the fediverse thrives regardless.
Keeping this up with the resources at the EU's disposal should be zero effort. "Not able to secure resources" can only be interpreted as a lack of trying