Can YouTubers Notice If I copy their Videos?

I wanted to test my YouTube friends if they can notice if I "Copied" their video. The catch is before I show them their video. I replicated their friend's video as well! Will they be able to spot it? Check out the NEW SoupTimmy Mats! 👇 https://speedcubeshop.com/collections... 🌟Discount code "Soup" at SpeedCubeShop for a Discount 🌟