Saudi Arabia does not do FGM. What does that tell you?
The fact that SA recently (past ~15 years) passed quite a few reforms that significantly lax old theocracy rules (e.g., women are now legally allowed to drive, they are no longer obligated to wear hijab outside, no male chaperone requirements, western-tier public music festivals and concerts can now be hosted, etc.) only solidified that opinion.
That assumes that Saudis did use to do FGM.. and that's not true either.