Because if it can be proven in court that the ID was identifiably fake, they can be held liable for any damages should the minor become intoxicated.
Since what is identifiably fake is a somewhat vague category that can be litigated in court, most bar and booze store owners try to err on the side of too careful–which usually just leads to annoying people–rather than not careful enough, which can lead to fines, damages, or the loss of license to serve alcohol. Any of those can be bad enough to close a business.
Because if it can be proven in court that the ID was identifiably fake, they can be held liable for any damages should the minor become intoxicated.
Since what is identifiably fake is a somewhat vague category that can be litigated in court, most bar and booze store owners try to err on the side of too careful–which usually just leads to annoying people–rather than not careful enough, which can lead to fines, damages, or the loss of license to serve alcohol. Any of those can be bad enough to close a business.
Don’t all IDs have scannable barcodes nowadays? Or is that just certain states?
Most do but scanners aren’t cheap or perfect. There are scannable fakes.