[kccqzy]

It's a cleanup script. I bet nobody cares it's off by one day. Also I doubt a cleanup script has a charting function.

Everything is use case dependent. Sometimes the use case is unimportant enough that mistakes are okay.

[hinkley]

While that's true, I'm sharing scar tissue here not hypotheticals.

There's often someone out there who interprets such things as a 3 month, or 1 year retention policy and that it means they're entitled to look at the entire range whenever they want.