That. . . actually sounds kind of OP. All your land is now heathen, enjoy your infinite Janissary spam.
Or doesn't that actually work?
Either way: well played, @Groogy , well played.
You can't use Jannisaries if you're not Islamic. Despite the nerf Islam is still better than Sikh, though I suppose this is an easy path into Hinduism for CCR if you didn't bother with a Coptic switch early on.