Investor visas (aka Golden Visa) aren't really a loophole, they're quite intentionally designed to bring money into a country and provide employment for existing citizens.
Though in this case, all his employees are in Seattle, not in Canada....
Nope, as part of the golden visa, he would've paid an immigration attorney to set up a Canadian company, shove some money into it and hire the minimum amount of employees. This is unrelated to the coffee business and doesn't have to be profitable, it's merely a requirement to gain residency.
After 6 years of residency, he can then apply for citizenship.