I think the "non creepy" use is really just making people aware how easy it is to correlate all your different traces online. It's like when someone released on HN a tool that would link various HN accounts (and maybe Reddit accounts too IIRC), but by looking at commenter word choice similarity.
It makes people realize that actual anonymity online is a smokescreen.
I recently Googled myself, and in the first page of results I ran across some shit AI website that scrapes random web content about people and attempts to summarize it. It got my current occupation completely and comically wrong -- as in, it has nothing at all to do with tech.
If you're trying to figure out anything about me from social media or other such random web pages, I don't care to have anything to do with you, and I don't care what you're led to believe about me. I suppose this is born of privilege, but the only contacts I care to make are directly via people I already have a relationship with.
Clean up the online footprint for someone that hires you to do so before they run for office. I don't remember every single web site I've every signed up for going back to when I started using the Internet, and neither can you.
Internet Archive likely renders that point moot, no? There a plenty of sites that index tweets outside of Twitter for example... at least there used to be
You can request them to take down personally identifying information about yourself. They respond quickly and seem to have someone employed to handle GDPR requests.
To socially harass and drive to suicide anyone that doesn't conform to the dominate cultural outlook. Think that's creepy? Well, you just made the list!