Or is Jet intentionally trying to block PM card?

I've raised this with Citibank (not customer service!) and awaiting details. Jet clearly looks at the Citibank PM card as solid competition and is pulling all the fast ones to make sure they cannot work with Jet. First they withdrew support on the PM website so you can't book jet tickets on PremierMiles via pm.co.in, then, they blocked award bookings on pm.co.in and now this...