I would never even dream of AY reconfiguring all of their A321s. My wish is they would set aside a number of A321s for longhaul and equip those with extra fuel tanks and real J seats.

DXB is a pure holiday destination from the Finnish perspective, so there's no paid-J demand there. I'm not quite sure about TLV, though. And India would be a completely different thing. With good timings, they would be able to attract pax flying from North America to India.

Btw, IB is one of the European airlines that has a middle-haul product with narrowbodies and a real J class. Not lie-flat but recliner seats in 2+2 configuration. They use them on SVO, CAI, TLV, SSG, LOS.