If you use #GoogleDrive, you are also allowing Google to do whatever they want with your files: they can read them, copy them, give them to anyone else, make derivative works, even publish them online without your permission (see attached screenshot). #DropBox is similar.

In other words, private files uploaded to Google Drive are no longer private.

You might want to try #privacy aware #NextCloud instead, which actually lets you control who gets to see/use your stuff:

https://switching.social/ethical-alternatives-to-dropbox-google-drive-and-google-docs/