Staff employment contracts stuck to a strict code of conduct and required drugs be kept away from work, he said. "Every communication is consistent with them [the accused] enforcing the standards and wanting to remain within the law."
Switched on Gardener may have employed people with an interest in "the herb", but that didn't mean they did anything illegal, he said.
The company's "no cops" on the payroll policy was possibly a joke.
"The evidence that you have heard falls woefully and way short ... of amounting to proof beyond reasonable doubt that Mr Bennett and Mr Quinlan are guilty of any of the charges."
Cochrane's lawyer, Matthew Dixon, said his client was a purchasing officer for Hydroponics Wholesalers and was primarily "the numbers man".
He said this company was set up to cater for the growing needs of a legitimate industry - commercial and hobby indoor gardening.
Mr Dixon likened the police operation to undercover officers going into DB Breweries and asking the malt supplier how many people who get served at bars were underage.
The Crown says Switched on Gardener was a "one stop shop" for cannabis-growing equipment.
Lawyers for the other two accused are expected to give their closing addresses tomorrow.
- APNZ