[wkat4242]

Less pain yes but more efficient? I'm not sure.

The places that don't do constant upgrades also don't usually have teams looking after that. If they time it right they can do with less people.

Of course it's less reliable not having as much active knowledge but I do think it can be cheaper if nothing goes wrong.

[_ea1k]

Yes, that can be the tradeoff, and a reasonable one in the right circumstances. Some projects are like that where there is really no team dedicated to anything more than keeping the lights on.

In my comment, I was thinking of well staffed (or at least close-enough to well staffed) teams making deliberate decisions to defer.