Location matters.. Leaving in an area where most people don’t have the time to visit a local shop just to have the fun of betting along with other heads , you shouldn’t expect that much people unless the place used to be crowded but no more .
That will likely point to either the customers already got so comfortable with just betting from their device only or there are more spot offering same service.. could also be working days vs weekend saga.
There’s no single local shop here

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It does but that does not mean that we can't establish that there is a trend. If some locations are thriving or at least retaining themselves with regards to sportbook shops that does not say anything if many other places are losing a lot of them. From what we can tell it can be fairly established that there is an overwhelming global trend that comes down to retraction in the number of shops that offer these services. Movie rentals also did not go bust at the same time everywhere, but eventually they were completely wiped out by streaming services and online rentals. The same will happen here. Why would someone want to lose time and go somewhere to do this when they can do it from anywhere using their phone? Do some people like to pass away a big portion of their life in traffic?

It's a different time line now. People stick more at their homes rather than outside.
The majority goes back to being a cave man and does almost all things while being inside their homes.
So, the stores are also going out of business due to the emergence of online adaption. And that will be the same for the gambling activities that doesn't need the gambler to go out.
There are cases where it is justified not to go outside and there are cases where it is not. So people moving less overall leads to them being more unhealthy, but in this particular case there is no benefit of going outside. There are only downsides, severe downsides. And even if you can theoretically come up with some benefits, you can get those benefits in much bigger quantity from other healthier activities. So the best strategy for this is to not go to the shop and use the time saved to get those benefits from other activities.