If this place attracts violence, the company can afford bulletproof glass and an alarm button that alerts the police, and I'd rather have the unstable 1% remanded to police at the risk and cost of a rich company than to have them stab a rando on the street later.
Employee protection laws that mandate said bulletproof glass in certain situations already exist in civilized countries.
Regardless: The fact that a specific tool is the easiest way to do something doesn't grant you a "right" to that specific tool. For example, you have a right to seek transportation; you don't have a right to a specific 2025 Toyota Camry provided by a private company.
You can't launch your boutique credit card and refuse to refund fraudulent charges with the excuse that you are too small to do so.