The various Polish leagues have many British, Australasian, Scandinavian, North American & Eastern bloc riders appearing every week. Nevertheless the organisers continue to create aspirational circumstances for their own nationals to aspire to albeit not many actually reach the top echelon.
There are some Uk promoters who do recognise the value and benefit of developing home grown talent, Unfortunately the others do not know how to take advantage of such opportunities and they are more or less the same group who are involved in running the sport as a hobby.