Carealotpets.com has a very different style of Add to Cart button. They incorporate price and quantity into the button design (pointed by blue arrow below)–
Neuromarketing is powerful, which is why us marketers need to be on the right side of ethics.
It's one thing to create a strategy to slow down distracted users. It's quite another to use tactics to manipulate.
Seen the Netflix documentary Fyre Festival? That's an example of unethical marketing.
Let's use marketing for good.