Possibly their logic is that a Linux 4k player would more easily allow third party Netflix clients to be developed, because Linux software is more easily revers

Possibly their logic is that a Linux 4k player would more easily allow third party Netflix clients to be developed, because Linux software is more easily reverse engineered? Maybe their DRM is different for different kernels and different resolutions and they don't want to maintain an extra codebase? Really not sure, seems absurd to me as well.