It was from just being tired and not paying attention, too. Instead of clearing the cache, I cleared user data and thoughtlessly hit OK.
Now I've discovered that Google backup has not done so since Sept 2021.
FML.
I just needed to vent. Thanks.
Use this. It's free. https://www.libraryextension.com/
A link to my family's fiction wishlist is posted in my profile.
Rules apply.
WRZ$20 each.
No PDFs, PDF conversions or archive.org scans (I can get those myself).