Well my biggest point is, it seems it would be reliant on a Social media like X and meta
This would make its decentralized system you have portrayed centralized.
And I definitely don't trust any Social media platform with privacy.
This point also made me wary at first, but the way I understand it integrating the OpenGraph protocol for transaction previews should only lead to a "nicer" visual representation of the payment link when published via social media or sent via messenger.
What about if the Social media platform chooses to restrict certain previews?
Or individuals that wouldn't want their transactions preview shared to the public.
Looking at OGP homepage, it seems it's part of HTML code. So i don't see how it can be blocked unless you have control to the website. And looking at image shared by OP, it seems the OGP only contains data about how you communicate with the dApp. CMIIW.
Oh so the website owner has control over what would get exposed by OGP and the platform can't really restrict the a preview but maybe block the entire website link.
So the data shared would be similar to how address are shown but in this case in a user friendly manner without risking privacy and security.
Clarification would be appreciated. Just got to learn about OGP from the thread.