I think its guys just who don't really understand how the internet works. I'm flabbergasted that its 2026 and I still see the "oh no my IP" trope.
If you're worried about it use a VPN.
Your ISP anyway knows your IP or at the very least your current one if its dynamic.
People who blur their car license plates - when you can go to their social media profile and usually geolocate them down to a street address.