It is. They gathered it. They stored it. They served it. That's how data should work and eventually will.
I'm not sure why you're being downvoted when You're just describing typical Internet behavior. How many archive or search engines have come and gone that have scraped, saved, and served data from other sources (verbatim no less) with little to no scrutiny?
Genuine question on your perspective , I found and serve a picture of you and your wife having a meal that you once posted on myspace.
Does that make it my data? If not why? What makes these 1s and 0s uniquely yours?