Actually, it could be. That could be considered vandalism (you're intentionally making unauthorized modifications to equipment to prevent it from working as expected) which is illegal.
But this is New York, so who knows if they would even enforce that.
So people can just unplug cables at data centers because it's "$0 property damage criminal mischief"?
Come on, their lawyers would (successfully) argue that they experienced loss of revenue for any amount of time their remote cashier system was not connected and operational...
No, “people” cannot even enter a data center without walking through multiple security man traps and providing identification that gets kept at the desk while inside. A data center is not a sandwich shop.
It’s not vandalism. Vandalism is destruction of property (physically destroying it). Unplugging something that was designed to be unplugged is absolutely not vandalism.