Nobody said the sites would have unfettered access to these files like they do with their cookies. Putting an ID on a photo is useless if you then have to ask t

Nobody said the sites would have unfettered access to these files like they do with their cookies. Putting an ID on a photo is useless if you then have to ask the user to read it again the next time. Also, why would they be outside the reach of adblockers? WebExtensions can already intercept and manipulate the use of certain APIs by sites, the same can easily apply here.