Why did you stop there and not paste the next few paragraphs that clearly explain that they are talking about biological females who are trans men…
See you aren’t an honest person
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In order to explain, we’ll need to break down some common misconceptions about how we understand the term “man.”
Not all people who were assigned male at birth (AMAB) identify as men. Those who do are “cisgender” men.
Conversely, some people who were assigned female at birth (AFAB) identify as men. These folks may be “transgender” men or transmasculine people.