I have met at least dozens of trans"men" in my life due to my profession and not a single one of them wasn't a walking testament to the worst aspects of femininity.
This is true of both ftm, and mtf; Both rely on the most childishly shallow signifiers of the opposite sex, mostly just clothes and hair. Maybe a little body-language at most. But in terms of their actual personality and behaviour, both are like a satirical, exagerated version of the most negative aspects of their real sex. (a weird, adolescent verion of the most negative aspects of their sex- The age where the differences between the sexes are at their most crude and unmoderated)
Pooners are vain, obsessed with clothes and hair and selfies and posing in the mirror, and "how do I look?". They're overly-emotional, especially about the minutia of social interactions that the average man barely notices. They're whatever the exact opposite of "stoic" is, and constantly demanding coddling from everyone around them, unlike even the most insecure, low self-esteem males, who'll still usually try to avoid that kind of display of weakness, and vulnerability. They're passive-aggressive, and prone to emotional manipulation, guilt-tripping, and using tears to get what they want.
And mtf's are like the walking definition of "thinking with your dick". They're constantly horny in a way that even the most
openly slutty woman can't compare to. They're aggressive, entitled and demanding, and totally oblivious/unconcerned about the concerns of women, or of anyone that isn't themself. When women are demanding, there's usually some kind of emotional manipulation or head-game, but when mtf's are demanding, they just come right out and demand shit.
In many ways pooners act MORE "female" (in the negative aspects only) than the average functional, self-respecting woman, and mtf's act MORE cartoonishly "male" (again, negatives only) than a normal man.
Both are like if you just ditch all the positive aspects of each respective sex, dial up all the negative aspects to eleven, and then dress it up in the most superficial window-dressing of the opposite sex.