Well . . . Stanislaw Lem had constant harping claims that Dick was a capitalist committee invention.
https://culture.pl/en/article/philip-k-dick-stanislaw-lem-is...
https://culture.pl/en/article/philip-k-dick-stanislaw-lem-is...
> Lem, however, considered one science fiction author as exempt from his scathing criticisms – his denouncer, Philip K. Dick. The title of an essay Lem published about Dick is evidence enough of this high regard: A Visionary Among the Charlatans. The essay itself waxes lyrical on Dick’s many excellent qualities as a writer, and expounds upon the dire state of US sci-fi. Lem considered Dick to be the only writer exempt from his cynical view of American SF.