The article never really answers the question, but hints that they are unhappy and turn to drugs and alcohol.
The rest are victims of child abuse, typically by their father, step father, uncle, grandfather or other close family member. This really screws up the child mentally at an early age. They are typically damaged for life. Many times that life is short because they self medicate in one or more methods. Case in point: Ashley Biden There are very few “Lipstick Lesbians” as a percentage. Except in Hollywood movies.
99% of the lesbians I have ever met were big fat ugly women who were not attractive human beings.
Incidentally, most of the middle aged or older ones are conservatives.