Here’s a question: do DJI goggles violate the FAA rule requiring VLOS? (Note the wording, simple LOS does not meet the definition. Thoughts?
Yep.
You must keep your drone within sight. Alternatively, if you use First Person View or similar technology, you must have a visual observer always keep your aircraft within unaided sight (for example, no binoculars). Neither you nor a visual observer can be responsible for more than one unmanned aircraft operation at a time.
Still need a spotter because you, the PIC, don't have a visual line of site of the Spark.
You could purchase these, the Epson BT 300 glasses and maintain VLOS while having a heads up display.
They are not cheap but look cool.