MS dont need to pay Netflix to stay exclusive on 360, Sony wouldnt want it on PS3 anyway, cuz It would contradict their Bluray strategy and will adversely affect it as the viable movie format.
Playstation 5 vs XBox Series Market Share Estimates
Regional Analysis (only MS and Sony Consoles)
Europe => XB1 : 23-24 % vs PS4 : 76-77%
N. America => XB1 : 49-52% vs PS4 : 48-51%
Global => XB1 : 32-34% vs PS4 : 66-68%