Anyone have any evidence of the security cameras doing this? I can't find any, but I don't have much time to dig.

yes

This particular CVS has had aggressive panhandlers in front of it for years. There's also one of those high pitched squeal sound devices nearby. Not saying it's right, but I'm not surprised they installed this.

I don't listen to voices anymore

Not as bad as China yet, but getting there. That's the influence of a concerted global authoritarian campaign for you.