Small ups systems use sealed lead acid so venting isn’t a concern

Complete nonsense. Enterprise drives are better for reliability if you plan on a ton of writes, but ZFS absolutely does not require them in any way.

Next you’ll say it needs ECC RAM

And if you dont have ECC zfs just might save your bacon when a more basic fs would allow corruption

Not usually

It’s not hard on Debian

https://wiki.debian.org/ZFS

This type of thing is why I, against all internet advice, host my own email. It’s a pain but it’s nice being in control.

A week is recent enough to renew usually if you care

If that’s true it seems like the name is fooling people

https://www.whathifi.com/advice/aptx-lossless-what-is-the-breakthrough-bluetooth-codec-how-can-you-get-it