Here, too, is Jung shunned in some specific circles. Particularly psychiatrists don't like him and cling to Freud. I guess, Freud is more in line with their way of pills, electroshocks, and lobotomies (they want to feel like MDs after all :D).
As for Jung and his "schizophrenia", I think it's as you say (i.e. his "confrontation with unconscious" was definitely a good pretense to accuse him of mental illness, if his use of esoteric sources wasn't enough of an argument for his detractors).
Regarding the archetypes -- it's an almost word for word translation of their basic definition in the entry on archetypes in an online encyclopedia published by one of major universities where I live. It's basically how Jung's archetypes are taught here, and I agree with that line of though. To use the quote from Wikipedia (from Jung's Collected Works vol. 8, The Structure and Dynamics of the Psyche): "Just as the 'psychic infra-red,' the biological instinctual psyche, gradually passes over into the physiology of the organism and thus merges with its chemical and physical conditions, so the 'psychic ultra-violet,' the archetype, describes a field which exhibits none of the peculiarities of the physiological and yet, in the last analysis, can no longer be regarded as psychic, although it manifests itself psychically." — the part about instincts and physiology is quite non-negotiable and the part about archetypes simply points to innate, abstract, mental patterns developed as a result of the whole evolution of universe. That is to say, and AFAICT, the archetype of e.g. mother is embeded into the "fabric of universe", or in other words, given the set of natural rules that were defined in the moment this universe came into being, "mother" was bound to happen (in the same way we must have "traces" of primordial oneness — Jung’s unus mundus, which never went anywhere — somehow embeded into our minds). So, it's clearly not physiological, neither psychic, and yet it developed and manifests psychically and has it's concrete shape defined by individual experience.
