I rather the company just restock their machine based on what sold and what didn’t instead of what percentage of people blink a certain amount of times while browsing the vending machine.
Not to mention the data they collect about you will be sold to other companies who will combine it with several other data points they collect about you to determine your personality and decide how much more money they can charge you on services or deny medical insurance based on your estimated health by your patterns. And while it might not end up affecting your life the data will still be around to affect the next generation