I definitely understand where you're coming from in your last paragraph. It makes me sad. However I don't think it's fair to say that psychology has a sell-by date. Perhaps its true that all behaviours, symptoms, attitudes etc can be linked back to the brain and back to the internal mental state, but that doesn't mean other branches such as developmental, health and so on are totally not valuable, though they may suffer more from the academic "floopiness" (if I can put it that way) that you speak of. I haven't studied much cog psy or neurosci so I can't comment on one eclipsing the other, but psych should play an important role in society, and I'd like to believe katie louise when she said, at its core it does.
But certainly most of what you're talking about here seems to ring true even to me as a humble prospective undergrad, and you're right- the field has got to move away from those sorts of dodgy, even Freudian, practices and upgrade its standards altogether. It should be a requirement to study it up to at least AS-level in order to enrol on a UG course. Other academically rigorous subjects have this stipulation and it's odd that psychology doesn't. Second A-Level should be changed to be a better lead-up to degree-level stuff. AS was a memory test tbh. Like you said, coursework should be reintroduced. There should be more emphasis on journal-reading, and teachers who have their own rubbish brand of psychology, or who never even studied psychology at uni SHOULD NOT BE ALLOWED TO TEACH IT (unless it comes to the stats/ ethics parts of the course).
I had a feeling that a lot of people enter into the degree thinking it is all easy and airy-fairy and you get to learn about yourself and psychoanalyse others blah blah. What you've just said has made me certain of it. It probably goes round in a circle, and might explain the rubbish res methodology as they graduate and contribute back to the field. To be fair, I really thought the degree was like that at the beginning of my AS course! I remember being shocked when I first heard it being referred to as a science
At the end of the day though, the one thing that is crystal clear is that psychology was not the right subject for you. For the majority of people who pick it though, it is, and that's what I'm choosing to dwell on.
Thanks for this GG, it really has made me think about why I want to do psych, and at least when I get to uni and I find myself feeling the way you do, I'll know I'm not on my larry. (sorry if that sounded like I'm piggybacking off your misery!) I do know what it feels like to have to study a subject that you resent in depth though; you've just got to stick at it, work hard and focus on the positives.