So I use google , I’ve used them for email for years and work uses their workspace service (email and cloud etc)
Anything you really want safe needs to be cloud based (or a very good routine of backing up and redundancy back ups) , kept elsewhere in case your house burns down
There’s always going to be fears around ‘what can they see’ but every part of your life is already online.
I use SSD for run of the mill backups , my flights today are backed up already to SSD. If it Dies overnight I’m not bothered.
All the photos of the kids as babies are in the cloud 