Freudian psychoanalysis was a core component of orthodox leftwing thought up until fairly recently. His influence on the left was massive, perhaps second only to Marx. The idea that you could get cancelled for endorsing his theories today, even the parts that arguably normalize pedophilia by sexualizing infants (eg, their supposed sexual attraction to opposite-sex parents, or their psychological development being based on a progression of erogenous zones) is silly.
Freudian Psychoanalysis is the basis of nothing. Freud never formulated testable, falsifiable hypotheses, and his "theories" were nothing but speculation and pseudoscience, which is why by 1980, US psychiatrists wanting to make their specialization more respectable and evidence-based purged the DSM of all references to Freud.
If anything, it's criticism of Freud and his theories, outside of strictly science-based objections, that is "unsayable":
