Streaming usually uses the later released versions of the same album, which are highly compressed and it saves them money on bandwidth space (more $$$ for them), compared the the original uncompressed ones from years ago.
Proof here with links in the last few posts starting here near the bottom with my post on Elton John’s "Madman Across the Water".
https://forum.audiogon.com/discussions/what-s-in-your-cdp-tonight-the-minority-report?page=64
Cheers George