This has the same solution as any other story around copyright infringement. If you provide people with easy, convenient, legal methods to consume the content in a way that works for them, for a price they find reasonable, then they overwhelmingly won't resort to illegal means. I'm not saying these bars are correct to resort to illegal streaming, but a wise businessperson would see this as a signal that their product…
Is it? Why would a smart businessman (the bar owner) pay more for a product when a cheaper alternative (pirating) exists?