This is simple downplaying of the situation. I mean it influenced even something so 'not important' as mushroom picking for decades (in case of northern part of northern Europe - it is still not safe [0][1]).

[0] https://en.wikipedia.org/wiki/Hydnum_repandum#Constituents

[1] https://no.wikipedia.org/wiki/Blek_piggsopp#Radioaktiv_forur...