Yes, I took a balancer off, turned it around and saw it had cracked through 90% of the rubber damper and thought to myself....ohh, that's shit. I'd better replace that shit balancer
They aren't shit due to material/design. They are shit due to age. Rubber doesn't last forever and when people realise that half the reason they are breaking oil pumps or damaging engines is due to their stock balancer, they will all start running out to buy one. Sean revs his GTR to 10k, 600hp at the wheels and drives it like a stolen VL. Still going 2.5 years later......but then again, he can tune good too