Dean Talboys (who has an 'interesting' theory on how Apollo was allegedly hoaxed) has weighed in on the topic,https://youtube.com/watch?v=2uWlwSnMRco claiming that the features are part of some sort of bleed effect of the starfield projection used on the various simulators, basing his theory on the appearance of some fixed dots that move around later on in that broacdcast. He neglects to explain how those alleged stars move independently of the lunar surface, why they move out of focus, and why there aren't any actual stars visible when the camera pans above the lunar horizon.