Personally I have no issue with a shooting partner resetting a target once he's shot it (for example to see where a pettet landed on the first target of the course so long as his parner has seen it first. My issue is where people stop shoots by calling targets they know they have missed (the classic splitter), especially when half the shoot has shot it satisfactorily already...
AirArms RN10/EV2 Stock-2007 Big nikko FT Kit
AirArms NJR100 Hawke Airmax SR6 HFT/SFT Kit
Feinwerkbau 600 10 metre
HW77K-zeiler 6-24x44 Work in progress
Webley Vulcan .22 Lovely old relic