You will create accessibility issues for users if you do this. The bias you'd encode in this idea of "human" behavior doesn't consider assistive software at all

You will create accessibility issues for users if you do this. The bias you'd encode in this idea of "human" behavior doesn't consider assistive software at all. I don't click text inputs when my form-filling plugin enters my personal information on a payment screen. And even if I did, you wouldn't know it if I had JavaScript disabled.