Because rightly or wrongly, for serious violence the law considers not just the violence itself illegal, but also preparatory actions such as planning, sourcing

Because rightly or wrongly, for serious violence the law considers not just the violence itself illegal, but also preparatory actions such as planning, sourcing weapons, etc. The bright line "when someone gets hurt" is too late, so analysis like this has to occur so that LARP can be distinguished from practicing before violent action, especially when the latter is claimed to be the former