conciselyverbose , 5 hours ago (edited 5 hours ago)

There absolutely was a legitimate reason. The hardware was not capable of processing the signals. They didn’t use FPGAs on a whim. They did it because they were necessary to handle the signals properly.

And you just haven’t followed the tech if you think they were indistinguishable. Gsync has supported a much wider variance of frame times over its entire lifespan.