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I recently switched from Authy to 1Password for 2FA, requiring me to set up every single website's 2FA from scratch, and I found that every website I use provides the text version of the code. It's hidden behind a "having a problem scanning the code?" link. I didn't need to take a single screenshot of a QR code; I was able to save the text version for them all. Next time I switch, it'll be easy.

I've never found a TOTP site that didn't also have a "click to show the code" option. It's usually in small print at the bottom, but it's there.

It's easy to screenshot or physically print a QR code during setup.

There are desktop totp apps that will decode the QR code from a screenshot in the clipboard.

QR has trivial format and code is easily extractable.

Spot the developer who never had to setup anything for his mom.

Almost all (not you, steam) allow saying "I cannot take a picture" or "Enter manually"

But you're right, it's not perfect but has gotten better. Just in time to be of no use thanks to email BS.