Freud and anything that came out of it was and is still a talk-therapy for rich people.
If you were working class you had the option of self medication with drugs or being put into an insane asylum, if you broke down.
So yes, Freud is still relevant, if you can afford it basically.
This is called hyperparasitism
https://en.wikipedia.org/wiki/Hyperparasite.
Three levels of parasitism have been observed in fungi: a fungus (Rhinotrichella globulifera) on a fungus (Gen. Hypomyces) on a fungus (Fomes hemitephrus) on a tree.[9]