Why does a bar gradually become unpopular when it used to be busy?

is this bar/pub i've been to a lot over the years. it managed to survive through covid and the year after 2022 was still pretty busy and seemed like before covid but last 2 years 2023 and 24 .

its really struggled especially later at night , the people don't seem to be coming in as much, not like they used to. i recall going there in the fall in past years on a Friday and there'd still be people there. not the same crowd as summer but still mainly full with regulars and locals

but this year on some fridays is like literally no one there , barely more than a couple tables with people.

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might have some answers as to why its not busy , when i was downtown noticed a bar further up the street was like packed never been in it but it does some live music and a kareoke night on Friday , it appears people might be going there instead. cause its not busy again from what i saw and google says its less busy than usual once again
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this place had a rough Tuesday pretty much empty all night according to google liv , new specials seemed to be having little impact. at what point does owner just send the poor servers home for the night and try again tomorrow.
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still appears to be slower than normal despite it being start of Christmas holiday party season here and no sign of the party crowd who used to go there on fridays. i didn't go in but was nearby and it didn't seem that busy , saw a few people leave i didn't recognise. one was so drunk they feel into snow bank when getting in friends car. the place with karaoke up the street seemed busier but not sure if that where former customers went or not
Why does a bar gradually become unpopular when it used to be busy?
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