We've already had to remove close to 60 comments on this question just to keep things focused on "helping people learn English", which is this site's mission.
Your comment (which is perfectly acceptable) was:
I would like a clarification about the meaning given by this answer to the word transgendered or the lack of it. Does it mean something and if so how does this answer define transgendered? Or does it not mean anything at all? When reading this answer I sometimes get the impression that this answer considers that transgendered has a meaning which is insulting. And sometimes I get the impression that this answer considers that transgendered has no meaning.
The response to that from Phosi is also OK:
@JoseAntonioDuraOlmos: By virtue of existing inside the set of grammatical rules which is the English language, "transgendered" has a meaning simply by the conventions of language. If you have been transgendered, then you have been made transgender. This is a meaning, it just isn't one which makes any sense by modern scientific thinking, which does not believe you can be made transgender any more than you can be made gay or white. Thus, while the word doesn't have a valid meaning, it does have a meaning, and using it lends weight to the idea that its meaning is valid. Thus, insulting.
Your response to Poshi:
@Phosi That would make a great addition to this answer, or even an excellent answer itself in my humble opinion.
The answer says:
Transgender is not a verb that makes sense, so transgendered is nonsensical. And a transgender is also considered to be offensive and dehumanizing, as this usage strips us of our personhood, because of the power dynamics and sociopolitical nature of identity.
Weighing the value to a EFL learner of clarifying the exact nuance of Emily's answer against the ongoing disruption to the community, I decided it was best to remove the comments. The response to your comment, while constructive, is starting up discussion that the mod team has already removed (multiple times). I understand a lot of people might disagree with my decision here, and to be honest, if what had gone before had led me to believe that the author of the answer was open to editing their answer to clarify instead of starting up another discussion in comments, I might have left the comments.
There are multiple highly scored answers to the question offering different perspectives, and there is a chat room created for Emily's answer for the folks that would like to continue discussing the connotations of "transgender" versus "transgendered".
Chat rooms are particularly useful for discussions about sensitive topics like these, because any moderator from any site can respond to a chat flag. This allows any "Be Nice" violations to be dealt with much more quickly so the discussion can stay constructive.