He has owned Four Square stores for seven years without incident, but he thought some of the reporting of the details was unhelpful. "It sort of worries me the way that it [the Auckland incident] has been advertised.
"I thought that was a bit on the nose. It's bad enough as it is."
Mr Sharp said his staff were as educated as possible on safety.
"You can have all the protection in the world but it's still not going to stop them," he said.
Eastside Dairy owner Peter Clarke agreed that staffing numbers were important.
"I haven't got too many worries because there's three shops around here open until 9pm," he said. "But I've told my staff if anybody was to come in, not to be heroes."
He agreed with Mr Sharp in that he never had staff working alone.
On Tuesday morning a West Auckland dairy owner was stabbed in the neck at his store.
A 13-year-old boy has been charged with his murder. The teenager and a 12-year-old boy are also facing a joint charge of assault with intent to rob.