The German Economy Ministry is calling for the EU to consider stricter business regulations for Twitter, which has seen major changes since a controversial takeover by billionaire Elon Musk. The ministry’s state secretary, Sven Giegold, wrote “with great concern” to the EU Commission in a letter dated Tuesday, saying the ministry had “taken note of Twitter’s platform regulations, their abrupt changes and arbitrary application.” The Brussels authority should therefore as soon as possible designate Twitter as a “gatekeeper” in the sense of the Digital Markets Act, Giegold wrote to EU Competition…