There is no feature to ban specific domain links in communities. So what you are really asking for is us moderators to get into turf wars with people posting these links.
Believe it or not, but this has been historically an issue in this community and my dm inbox is full of people complaining about us removing links to dubious sources.
I personally think Politico is not quite at the level that requires moderator intervention in blanket style. It is more like some tabloid that requires more scrutiny about the sources used and so far the commenters here did a good job contextualizing such articles.















They seem to promote the idea that Europe is behind on AI technology and that with the right type of regulation AI is something desireable. This is the lobby line that AI companies like Anthropic and Mistral have been pushing hard to differentiate themselves from companies like OpenAI, but ultimatly it is the same kind of false AI or bust message that all these companies like to push.