It is that simple for most people. Millions of people do this every time they buy a new iPhone and in practice it means waiting a bit while things download and

It is that simple for most people. Millions of people do this every time they buy a new iPhone and in practice it means waiting a bit while things download and logging into their banking app. It’s harder for people who don’t use cloud services and have to do things like copy TOTP seeds, but in this scenario you want those to live on a Yubikey with a PIN anyway.