It's yet another example of ill-thought-out technology sold to make lives easier, but capable of doing much more harm than good. Once upon a time, the Post Office used pen and paper records, which worked perfectly well. Nowadays, it's trial by "computer says no". No doubt the technology was sold to make postmasters' lives easier, or foisted on them, and look where it got them.
See also:
Keyless cars: now much easier to steal than before.
Smart meters: although lauded by many, whole threads have been dedicated to the wrongs of them.
Electric cars: limited range, they catch fire spontaneously, if you're stuck in a jam in snow, you can't keep the heating on, they break roads and bridges because of their weight, and the electricity to power them has to come from somewhere. (That's what they don't tell you.)
Cashless society: fine until your internet provider pulls the plug on your wifi, then you might not be able to take money at all. (I've seen this happen: businesses with signs saying "we are cashless" looking sheepish, and having to say "sorry, we can only take cash today, our internet is down".)
Everything stored in your phone: oops, forgot to charge it, now you're absolutely screwed.
Alexa. Can you close the curtains without her?