To better understand the harms of breast-binding, we need to understand the link between thoughts, feelings, and actions — and why modern gender dysphoria is a whole lot like Obsessive-Compulsive Disorder.
Some of us have been witnessing this trend: a growing number of quite-young women, sometimes even minors under 18, are coming out as detransitioning or desisting, who are straight, and quite feminine, or female-typical, by nature.
Only within the container of a society in which we mostly agree on the boundaries to what constitutes basically acceptable human behavior within some normative range can there exist enough freedom to play with choices that can be viewed as equally morally acceptable.