Earlier quoted context omitted.
Why do you think neuroscience is a better way to learn about human behaviour (which is what psychology deals with)? Neuroscience is incredibly difficult and the brain is super complex. We have learned far far less about human behaviour through neuroscience than through psychology studies. Learning about behaviour through neuroscience is working at the wrong level of abstraction, we're not capable of comprehending lar…
What I said was that psychology should be used as an extension of interpreting neuroscientific findings. We haven't learned anything about the brain through psychology we have learned about how humans interpret the brain but we don't have a lot of raw data. That's what neuroscience gives us and so it allow us to focus on interpreting the data rather than making a lot of flawed experiments which are often anecdotal mo…
And yes tons of psych studies are flawed but the reason we have the replication crisis is that we can actually run sufficiently large well-controlled studies that we have some confidence in the results, and when we run those we do learn important things like "that previous study was totally wrong". A lot of things like our knowledge of heuristics and biases (not the scientific ones mentioned earlier but cognitive ones) and our solid psychometric measures have come from psych studies.
I do agree with you that we basically shouldn't believe the majority of psych studies, especially if they are in the news. However, the crappy studies help guide where we bother to do the large studies, and provide fodder for the meta-analyses. That's what we learn from.