I'm honestly more worried Google or an advertising company would be using this technique than its value as a security mechanism. It'd just be one more chunk of

I'm honestly more worried Google or an advertising company would be using this technique than its value as a security mechanism. It'd just be one more chunk of information in the browser fingerprinting process. Changing your natural, habitual behavior is hard. The sad part is, this probably would be pretty effective at catching bots due to the fact they likely are largely repetitive and/or skip the mouse move to simply click a location.