I think part of the problem is software that encourages continuous streams of soon-to-be-discarded information. Procedural/AI content is part culprit here - every piece of information on the Internet comes with a bunch of chaff around it. For all I know, the only human input into modern news articles comes from the computers' entropy collector (/dev/random) picking up on network disturbances caused by human interference.
To quote Mao Zedond, "the streets are littered with dried faggots, ready to be lit aflame". 8chan is like that, being on 8chan turns your mind into that and the software model causes it. Who's "smoking all those faggots"? The OS developers, the browser vendors and the server hosts.
There's a reason we don't burn books!
Reversible computing is underway but we don't have to wait for that. The zero-energy aspect - awesome, but what's much more important is the "no unplanned data loss" aspect - every bit is accounted for.
Only if your intention encompasses as much detail as you're leaving out in advance. It's baggage and comes with nigh certainty of wasting your willpower.
Yes, F Droid builds it itself. Then compares with your build minus the signature. If it's the same it publishes with your signature. No need for any private key handling.
