[pietervdvn]

The big difference is visibility and scale.

Sure, a 'description' or 'name' tag can contain something inappropriate (like a slur of defamation). If it has high impact, it'll be reverted quickly. If it has little impact, not a big deal. Many tools don't even show the 'description' tag

Pictures are a whole other level. You need to blur faces and license plates. What if someones house is photographed? How to detect inappropriate images? Should one study the laws of all countries? Even the freedom of panorama contains many differences between European countries, let alone privacy rights, ...