Life definitely has one-way gates, but tech can avoid them a lot more than we do today. Soft deletes and backups give a time-bound undo period to user actions,

Life definitely has one-way gates, but tech can avoid them a lot more than we do today. Soft deletes and backups give a time-bound undo period to user actions, and so freeing up space on my drive isn't irreversible. Also, to stretch the analogy I used further: one way to avoid lighting one's own house on fire by mistake is to not make the things you light on fire look like houses. In the case above, and in many other cases (like the big Atlassian outage earlier this year) the problem wasn't so much that the user was deliberately deleting important stuff, it's that they couldn't tell the difference between the class of unimportant things they thought they were deleting from and the class of important things they would stop and think long and hard about before deleting.