Not condoning the method, but I can take a good guess as to what they're doing: They're trying to find out how many NVENC streams are in use on the card / wheth

Not condoning the method, but I can take a good guess as to what they're doing: They're trying to find out how many NVENC streams are in use on the card / whether any are free Which isn't important for general use but is relevant if you're screen sharing/streaming your display