Apparently the Principality Stafium is another possibility because some spotted that Cardiff also ticks the 'voted Brexit' and 'has a large stadium' boxes. I mean, honestly.
I wonder if the mention of Lindsey German, the CPGB ( neither did I), and as assortment of Egyptian and Venezuelan malcontents planning to 'stand up to Trump' is a none too subtle attempt by the DT to nonetheless stereotype the opposition. Our neighbours voted Brexit for example but they'd be joining the protests.