So piercing, basic cosmetic surgeries such as scar removal is bad?
Nose jobs bad?
Dude it their body, its not bad if they want it, there are many, recourses to learn about FTM and MTF surgeries that explain this in better detail than me. essentially... They existed for cis people for years, and trans people are now just using on themselves.
-Coming from a person considering investing in top and bottom surgery once they get the funds