I think it is mostly an issue with quality control. I've had horrible luck with thermapen knockoffs. Temps all over the place, battery compartment loose, misc

I think it is mostly an issue with quality control. I've had horrible luck with thermapen knockoffs. Temps all over the place, battery compartment loose, miscalibrated out of the box. If you found one that works, awesome! But I'd venture to guess that most people weren't that lucky.