Visiting a public space (ex. shops) without shoes, or even socks. Is this weird or what?

Visiting a public space (ex. shops) without shoes, or even socks. Is this weird or what?
I've looked into this, and apparently in many nations of the South Pacific (ex. Australia, New Zealand, Tonga, Fiji), it's perfectly normal, and no one will look at you twice. In other parts of the world however (ex. Europe, North America), you can expect some strange glances at the very least.
Anyway, what say you? Acceptable... or not?
Visiting a public space (ex. shops) without shoes, or even socks. Is this weird or what?
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