Sunday in MUC the gate agents were weighing a couple carry ons. 2 that I saw were checked - 1 business passenger, with a bag just over 16 kg, another one that was just slightly oversized from status pax. They were asking a third person to go get his measured, but he got away thanks to his diamond status.
Sitting in the plane, watching the non-status economy passengers arrive, it seemed they didn't bother to check their carry on luggage, as many people baorded with multiple items larger than permitted...