Consider Should I quit my PhD - workload, self-esteem and social life. It is hard to see how this is other than a request for personal advice. Other sites in the network try hard to channel questions away from personal specificity towards more general interest. Is that the intent here? If not, why not?
The question you mention was originally closed, by community vote. Then it was reopened, again by vote. Now it is closed again.
There is an existing meta discussion about this particular question here.
The current most up voted answer there (by a margin of 6) makes the following point:
It attracted, and will continue to attract, all the worst of 'personal advice' that one gets in such a situation, ranging from pet-social theories to pseudo-psychology and plain old judgment.
I voted to close the question. While I agree with aeismail that questions and answers on Academia are often more personal in nature, I do not think that applies to the post in question.
The post in question is not about a personal academic problem that is best solved by other academics. It's about a life problem, best solved by people who know the OP or a qualified professional who has met the OP. (The OP mentioned in a comment that she met with a professional and received a diagnosis.)
There are other questions here about "malaise and a dissatisfaction for one's current status as a graduate student" that are truly about common experiences in academic life (such as How should I deal with discouragement as a graduate student?) and those are perfectly acceptable here.
Academia.SE is inherently going to be more subjective and personal than other boards on the Stack Exchange network, simply by virtue of the subject matter we tackle here. Consequently, we allow a somewhat wider latitude in what is considered "personal." The basic guideline we have to ask is if the question can be of use to other readers. For instance, the question you've cited is a request for personal advice, but the problems described (malaise and a dissatisfaction for one's current status as a graduate student) is not specific to the original poster.
At the same time, there are four votes to close cast for the question, so not everybody agrees with this view. And that's fine—it's the way the community is supposed to work.