I hadn’t thought about it that way, but I see what you mean. The idea being the more important it is to know what really happened, the more important to record evidence as it happens, right?
I think our plan’s much bigger problems are ethical, social, legal, and political. And logical: odd to solve sexual misbehavior by routinely recording people while they’re naked. But a more technical critique for a technical solution:
Encryption or not, isn’t it axiomatic that you can’t hack or steal what doesn’t exist?
When our best and brightest protective schemes can’t protect the security files of all the cleared personnel in the US [0], or the bag of digital tricks the intelligence agencies use to hack with [1], is it technically wise to generate vastly more stuff worth stealing?