*At a discount relative to the insane markup spirits have at a typical bar.
It's not totally implausible that the owner is fully aware of the situation and accepts the status quo as a local maximum of profitability, why mess with standing social norms -- much how most restauraunteurs in the states wouldn't dream of paying a living wage for their wait staff because they know customers are going to tip sufficiently regardless of wages and that enough potential employees are fine with the situation (or prefer it) that they won't have staffing issues.
It's not totally implausible that the owner is fully aware of the situation and accepts the status quo as a local maximum of profitability, why mess with standing social norms -- much how most restauraunteurs in the states wouldn't dream of paying a living wage for their wait staff because they know customers are going to tip sufficiently regardless of wages and that enough potential employees are fine with the situation (or prefer it) that they won't have staffing issues.