I don't think making x10 feel easier to many gamblers. Those who have luck can get it while the rest will not get anything except loss. I don't know if there is a psychological trick but slots are very tempting and could make it difficult to stop. Playing slots games relies on luck so it's difficult to win much or even for small wins. That could also be the same as in sports betting because we may see a change in the match in the middle.
There's no guarantee of success in slot gambling, especially since this type of game relies heavily on luck, and winning is purely a matter of luck. Saying that it's easier to get a 10x payout in slot gambling might be based on the fact that it's more common in slots. We never know when we'll find ourselves lucky in gambling, and when we do win, I believe slots can be considered easy or quick to win, even though it's actually quite difficult.