>>4186856Nikon was THE camera pros would use up to the late 80s, when Canon introduced the EOS lineup, EF mount and most importantly, the ultrasonic motor. That invention BTFO Nikon from the pro AF SLR market.
>>4195783Canon was entering the videographer market so it was affordable given its features, had interchangeable lenses, supported EF glass with adapter and had good video quality.
By the way, GL1/2a are also known as the official camcorder of the US porn industry.