an oun Just rediscovered borg backup for the fifth time. Is it actually usable to the extent that I won't have to think about it once configured?

Zetanor A backup that you never check can barely be said to be a backup at all, but there indeed isn't much to configure or maintain. Consider Restic for a slightly more modern take.

an oun Of course I'll make a point to check it. I'm talking about maintenance beyond maybe a half hour review monthly.