Have you seen this man?

That's because they don't want to store hours and days of footage at high quality

Assuming the camera would run 24/7 at 720p for good quality, you would need 122gb just for the 24 hour period.

Well. Pluto is 5 billion km from earth. That picture of Pluto is not taken from that far away, though. New Horizons was far closer when this picture was taken. But I understand what is trying be conveyed here.