Some players use Rock Paper Scissors to evaluate timing and psychology-- do you go first, mirror moves

https://rock-paper-scissors-gambling-a-z-y-p2-137.valoradigest.com/posts/why-rps-gambling-is-a-lot-more-dangerous-than-you-realized

Some gamers use Rock Paper Scissors to test timing and psychology-- do you go first, mirror relocations, or all of a sudden switch techniques to puzzle them?