Nothing new in that story unfortunately, happens to me on 80% of my flights. My last 3 sectors:

DXB-JED tried to buy 2 F revenue ticket, no chance sold out completely, I end up on a saver reward tickets with only 4/14 in F

Return flight, only flex revenue J available, flight 10/42 including 1 staff

NRT-DXB J overbooked to the brim, no chance of a revenue seat, on day of flight around 50/76 on the 380

No logic unless EK travellers are really the spontaneous last minute type