A website in France should provide to users a way to delete account according to CNIL and manage privacy data. Do you have a ".fr" ? Yes ! So you have to allow the user to delete his account if he want ! If no you can be expose to lawyer procedure.
Update ? Is your legal team preparing to fight this injustice againt humanity?
Please let us know when you have crushed this vicious oppressor.. who would not allow you to delete your account!
I salute you brave justice warrior!