Yes, that would be terrible. If I invested 3 hours of my life into a round, I don’t want the scales to be touched at all. I didn’t sign up for an event. Besides, most “events” are marine-sided, since Xeno Majors take more time due to hijack. Which rewards passive cadehugging even more, because you know that even if you never get to use the nuke, your friends among the staff will help you anyway.
This would be a much more fair solution to the supposed issue: Force end round after 3 hours