An upset, certainly, but by no means unheard of. Rank 3ish upset by a rank 28ish?
In 2006, during the World Cup, Czechia (10) was beaten 2-0 by Ghana (43).
2002 World Cup, France (1) lost 1-0 to Senegal (27).
So, US beating England in 1950? My response: statistical anomalies exist.