Quite a high proportion of Argentines are of Spanish/German/British/Italian descent so those could simply be Argentinian names.
For example nobody considers Bobby Schwartz to be German or Sam Ermolenko to be Russian/Ukrainian
Not always the case. Reading Borough Council provided a site (Island Road) and granted planning permission.
But still we got nothing. That's Gaming International for you
If I was at home I could tell you exactly how many - about 145 I think - but at present I'm in Buenos Aires, having just returned from Bahia Blanca, my latest addition to the list.
https://www.cnn.com/2022/06/20/tennis/natela-dzalamidze-wimbledon-nationality-change-spt-intl/index.html
So citing this example from Wimbledon there should be no problem (other than the little matter of the Home Office and visa red tape)
A quick search of North Somerset planning site reveals an application for speedway was submitted and refused ...
..in 1972. Nothing more recent.
Like you I think this is mostly fiction.