Reminds me of an interview with Mark Mothersbaugh of DEVO fame. The day he got glasses, he started drawing the tree branches he saw for the first time. His teacher said he drew trees better than she did, and that's why he draws every day!
That's not the sexist part, you have to read more. One Tweet can't prove anything, but several Tweets are a clear pattern of behavior. Quoting the first sentence betrays your disinterest.
Femboy and Trans are two distinct things, you need to listen to the person when they tell you how they identify, not pressure them into being something else.
I get that, like when you're being made fun of, and you become aware of it, but you don't know what to do about it so you just try to make it so obvious in the hopes it will make the bullies self reflect and stop (which they don't)