Pearson Hanzo - New Steel Single Speed OTP

All manner of crank brands (better and worse) have failed in the past and will fail in the future. Until it becomes a regular occurrence it could be a single manufacturing defect, installation fuckup, maintenance fail, etc. Has anyone else ruined a set of RPM cranks?

http://pardo.net/bike/pic/fail-001/000.html

Yeah you're right, but because I've never had a pair of cranks break before on any of my bikes (even on a bmx that I did loads of really hard sprocket rocks / chainring stalls / whatever you want to call it on) it came as quite a surprise and I'm not keen on buying the same crankset again