Discriminatory job advertisement on forumosa

MOFA still not putting nail in the coffin on which nationalities are kosher or not for teaching English here.
I take India, Philippines, Singapore, Malaysia becoming OK-ish now?
What about Nigeria, Pakistan, Jamaica, Belize, Ghana, Liberia, Kenya, Uganda, Tanzania or Gambia.

Referencing wikipedia, quite a lot countries that officially adopt English as their official language.