Most psychologists [...].

And yet for some reason philosophers [...] and artists [...].

Why are you careful/nuanced with psychologists but dump philosophers and artists in the same bag as if they all do the same?

I see this a lot. The other day, I was watching a science video. Same thing: "some physicists believe...", "other physicists...", but "philosophers say...".

Do you think philosophy and art (disciplines that by their very nature are diverse and creative) create only one type of people? I mean, Karl Popper is a philosopher against Freud, you just said it. You could find many philosophers opposed to Freud, indifferent, critical, in agreement, etc. Artists are the same, very different people among them.

Now, the real question should be why is Freud popular amongst some artists and philosophers and other non-psychologists, especially in certain regions like France and Argentina, or certain traditions like old continental philosophy. And that's probably the beginning of an answer at the same time: a strong tradition of psychoanalysis within certain circles. Also, a matter of coherence or lack of. For example, if you start reading French existentialism and keep reframing certain aspects of reality, you may find yourself inclined to epistemological paradigms that do not oppose psychoanalytical theories, so you could combine them if you want to. If you start denying materialism in some ways, you may end up denying biological explanations of psychopathological phenomena, so Freud could be a good substitute (or not, depending on the person).

I guess if I were to give a psychological reductionist answer, Freud and similar authors appeal to part of the population that is skeptical of conventional models, the status quo, scientism, hard materialism, etc.