I would expect an extremely infrequent heart rate sample rate at idle. I believe the current-gen watches only sample every 10 minutes unless activity is detected.
You can back up the Key used to set up the TOTP system. This allows you to re-seed the TOTP generator on a new device without needing to go through setup.
I think the reason you don't see bad questions posted more often is that you get comments like the top comment in this chain, where people believe you're just upset that you didn't get the job.
I also think it is more common for recent graduates to get garbage questions about things you never use. Some of my friends had awful experiences over the last couple of years.