You realize that your article says it's a pipe dream right? Because even Google, pushing it, has no interest in actually supporting it in its tools, and neither does anyone else?

Advertising tracking is the primary space your privacy is invaded online. The fact that what phone you use is one of the most valuable data points they have that isn't "you actively being signed in somewhere that shares it" is the evidence that telling people what phone you have to share a photo is a massive privacy issue. Because what phone you have is a lot of information.