On social media people tend to show off, and post their most attractive picture, and moments that are most likely to give everyone else FOMO (Fear of Missing out). They rarely share the moments when they feel down, or when things have gone wrong and they need support.
It doesn't occur to so many people that if you don't have a clear heterosexual, gender confirming identity that there are parts of day-to-day life - like using a bathroom or getting your clothes - that just aren't going to be as easy.