I have several transgender friends; I have a family member who is transgender; I have taught transgender students. Not a one of them was doing it for attention, and in fact, they would have loved to NOt have attention given to them for being transgender. That, of course is anecdotal and not something to base a general statement on, but luckily, resources exist which are more far-reaching:
https://apnews.com/article/transgend...c77b5371c6ba2b
Some people's fascination with others genitals is worrisome. You start getting into chromosomes and hormones, and open up a whole can of worms that can easily be avoided by simply allowing people to be themselves.
The issue should be the pressure put to bear on KKG members to pledge someone they didn't wish to pledge, and who apparently did not meet the minimum qualifications.
As to creepy, criminal, or bothersome behavior - it should be addressed with the individual via the proper channels, be they the law, administration, or those in charge.