[bombcar]

If these apps were entirely local nobody'd care.

The insistence they go through a server is why they suck

[saratogacx]

So many things rely on date bound certificates now that local doesn't assure continued operation, see the recent Mac Office 2019 stories. I feel like there are so many of these ticking time bombs that expired cert based software failures are going to become a much more common issue.

[JackGreyhat]

Valid concern, yet a potentially solved problem. For code signing at least. Chexk out Time Stamping.

More info: https://sslinsights.com/code-signing-time-stamping/