Only incident we know of. It's overwhelmingly likely that they both had tools built for this and had used them before.

And admitted he edited them? Yeah, after he was called out in front of the entire world.

>The sensible amongst us should be above childish drama like this.

Not sure if trying to rationalise massive fuckups by C-level execs like this is "sensible", nor is ignoring the fact that reddit in all likelihood has ready tools (unless you're saying that it's more likely he had direct access to prod db) for stealthily editing user comments.