6 again does mean teams in a whole can get big scores racked up on them.
But that's a good thing, you don't want to reward shit spoiling tactics just for the sake of "parity".
I'm a Cowboys fan and the reason we have been bad since 2017 (GF was a fluke) is purely because we are shit.
in my time in the rugby league, I've come across two types of players - those that apply effort, and those who decide to do it when it suits them.
The 6 again rule doesn't give you that luxury. Once a 6 again is called you need to reset your counter and work hard. Line retreat, line speed, marker inside pressure, it all starts again. Most of these shit teams have players that wilt like a piece of wet lettuce once they hear that bell. The good teams rise to the challenge.
Same as Cage D. Some players love the holding the fort mentality of it. Others are happy to be a saloon door. They just want to look good when they have the ball in their hand.
And in attack, a lot of players can be like Papi if they want too. It takes effort to push support - to continually move in the vicinity of the ball carrier and be there for that one tackle in 20 that an opportunity will there to cause a line break. We only see the actual break itself. Papi is sniffing around continuously. It's easy defending one out play, Push supports continually puts the defensive line in two minds. It's no surprise Papi is being tutored by one of the best push supports in the game - Billy Slater.