IMHO owner do not understand.
It is easier to keep an old customer, than attract a new one.
Also places like Bars, Sport Bars, and Pool Rooms need updating, to be clean, have clean rest rooms, be free from disgusting odors. Would be nice if the table were brushed once in a while, and balls cleaned.
Last do thing to attract women customers, and single women. Like teach the bar staff to do chick drinks. Free Pool for ladies during slow times. As men will follow.
Last it also it cost nothing to say thank you to a customers for coming, when you see them leaving, hope we see your real soon again, and not take the people paying the bill for granted.