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So you’re saying unless you have Bitcoin in your name you get left out. Because I’m seeing results of places in Texas that show up. If that is the case, these databases don’t scale properly.
Human curation for a human movement is the way.
No, that's not how it works. It doesn't guess that you accept bitcoin based on the name.
People (anyone) have to go to https://www.openstreetmap.org and do the human curation - e.g. add metadata/tags to your business and select whether you accept onchain, lightning, etc.
So for example you can create account on https://www.openstreetmap.org and add tags to any location in Texas that you want. Sort of like updating wikipedia. And then this will show up on btcmap (and also on other similar maps / applications that use the same base data from OSM)