Abuse of PhD students
Although rife, abuse of PhD students is a part of life that seldom gets talked about, or even acknowledged. It is the dirty little secret of academia. The humiliation and belittling; the demoralizing and power tactics. The terrible neglect by supervisors as if you and your work really is not important at all (and worse, you are just so hopeless and stupid!). Of course, these bullies were once subjected to this same process and so the cycle gets perpetuated...