That wasn't an initial safety feature. It was added after abuse had already been reported. Flock also needs to require a case number or some other method of validation for legitimate use. Presuming the continue to exist in any capacity. Otherwise we're just going to keep discovering incidents like this.
That's a fair point. The only other validation gate I can think of within our current system would be a valid warrant number. A system where the warrant automatically limits the search by time and geo-fence could be interesting.