I had a similar concern when I used a random app for TOTP on my garmin watch, but was relieved when I considered the point I raised. To add codes to the watch y

I had a similar concern when I used a random app for TOTP on my garmin watch, but was relieved when I considered the point I raised. To add codes to the watch you have to paste a seed into an app, and it couldn't be triggered from a QR code. I didn't realize the scan for 2fa had so much info.