Keep in mind that this is o3 + web search against a human without web search. A sufficiently motivated person with access to your entire social media history, Google Earth and Streetview, etc. would outperform this significantly and could pinpoint almost any inhabited location with coverage.
If you watch Linus Tech Tips, you may have noticed that when he films at his house everything is blurred out to keep people from locating it - here's a recent example: https://www.youtube.com/watch?v=TD_RYb7m4Pw
All that to say, unfortunately doxxing is already really hard to protect against. I don't think o3's capability makes the threat any harder to protect against, although it might lower the bar to entry somewhat.
If you watch Linus Tech Tips, you may have noticed that when he films at his house everything is blurred out to keep people from locating it - here's a recent example: https://www.youtube.com/watch?v=TD_RYb7m4Pw
All that to say, unfortunately doxxing is already really hard to protect against. I don't think o3's capability makes the threat any harder to protect against, although it might lower the bar to entry somewhat.