I grew up on farms and always carried a lock knife – was always the safer knife to use than a readily folding blade.
I think the interpretation Id use is: dont take a knife into town, and if you have your lock knife on you in the sticks dont have it on you when you expect the fuzz to pay a visit
to be fair, this is what I’ve always done as common sense really.
At risk of joining an internet argument, I’ve used mine for all sorts. Not least of which have included; cutting a garrote wire strung across a trail, cutting clothes/bags off people after accidents, cutting and forging a sling for someone on here that broke their shoulder and thumb at the quarry on leith hill..