The visit of President Trump to Poland will not change anything in the American attitude towards this country – Poland is still an “extension” of the US policy in Europe.
Recurring pro-Kremlin disinformation narrative about the US presence in Europe, aiming to undermine the sovereignty of Poland. See similar examples of this disinformation narrative here, here and here.
The statement that the United States controls the European and Polish elites is a conspiracy theory. Poland is a sovereign state, which shapes its own foreign and domestic policies - moreover, as a member of NATO and the EU, Poland is able to impact the formation of common foreign policies of these unions. See other examples of the disinformation about Polish-American relations here.