I have a box with nearly 5 years uptime, the one it replaced had at least that much, my experience matches GP's. unattended-upgrades gives you 99% of the patches, a manual upgrade every few months will get you the rest.
If you see a problem with this, why not point it out directly, instead of this snark?
If you see a problem with this, why not point it out directly, instead of this snark?