One of the issues was aliens winning most of the rounds, leading to a scrim win from whoever picks alien first, which is caused by several things, including goons on s1, timed evoes, 3 rants on S3 (you literally can't fight back in a rush composed of 3 or 4 rants), hence my proposal of trying out scrims without rants and suits. Adv goons can defend themselves and take out the base just fine and will make humans get out of the base, where rants will force them to sit inside for a long time and make them wait for the aliens to make a mistake (if they don't flat out rush and annihilate all chances of humans seeing victory instantly). A similar, probably better solution would be to restrict rant usage to 1 or 2 per team max.
I will repeat it because of the post deletion, but people used to win scrims before even reaching S3, or in 30 minutes less than pretty much any of the scrims you can see nowadays. I suspect mass rantwhoring to be part of this problem. Most of that additional time comes from unwanted camping.