Detect and notify users if the link is a grabify link

Discord already follows the trail of link shorteners to find out where they lead to, for example if someone uses a link shortener to try to rickroll you, discord will automatically bust them by embedding the youtube video (unless they add brackets around it like a smart person).

Why not use this to detect if the link redirects to grabify? I think it only makes sense that it's possible to detect that the link sent in chat is from that website, and then either show an alert next to the message or warn the user if they click it, that this website redirects to grabify which will log your IP.

This does not have to be limited to grabify either, Discord could make an entire blacklist of websites that are commonly known to be suspicious (but other less tech savvy users might not know about) and warn the users about the link's questionable legitimacy.