Not always online capsules

[Stephane Bortzmeyer]

On Wed, Sep 22, 2021 at 09:52:37AM +0200,
 Omar Polo <op@omarpolo.com> wrote 
 a message of 38 lines which said:

> I'm not convinced it is worth for robots to know these schedules,

I know at least one use case: Lupa writes off capsules which are
unreachable for more than N days so it may dismiss a capsule which
works most of the time but was, by bad luck, down when the crawler
tried it.