I freak out if there’s the potential for image data degradation.
It’s a conditioned reflex from my lifelong passion for astronomy and science, where image analysis requires the full data collected by a detector. For similar reasons, I’ve been uploading photos at original quality in Google Photos since day one. Although I always paid for Google storage, that upload setting was a no-brainer as I took nearly all my photos with Pixel devices offering unlimited free space in Google Photos.
If you just wanted to save space by uploading to high quality, you better review the article below summarizing the storage changes since June 1, 2021.