Coming from an arcade background, it's really important to scope out the machines first, do some basic simulations in your head about how it can turn out when playing, and decide then if you want to play. When I went to Japan, I came back with an absolute haul of figures, bags, pillow cases, and t-shirts from crane games for under 5000 yen. I completely avoided any games that looked similar to the ones at the end of your video, knowing that wedging is a thing that totally happens and is the intended design to claim your money.
If you start playing games without trying to properly scope and simulate, you'll have a wallet-emptying time, no matter what country you're in, though. The same applies to US crane games of all kinds: they are designed to make money, not let you win. If you win every time, it means WHAT you're winning was paid for in spades by the cost of your single play (see: rubber duck cranes, where each rubber duck costs the business ~$0.02 per duck, if not less, and you're paying $0.50+ per play).
No matter where you go, if there are claw machines, there will be scammy claw machines. I don't even bother trying if there's something expensive inside, because it's still there for a reason.
I got so excited when I realized what you were really going for at the all chocolate claw machine: the chocolate tower. I was so rooting for you guys to get it. Then..chocolate candies and bars raining on down from heaven!!! Okay, maybe not heaven, but you really cleaned up with all that chocolate!!! I also thought the giant, twisted at each end gum was so cool. I loved this video!!!
It's insane how you can win something in one go and get a total bargain or then spend $23 on a bag of crisps you could easily get for $4 or something lol. However I will ignore what I just said and continue playing these types of machines since they're extremely fun >~<
I'm imagining some dystopian nightmare where all grocery stores lock their food behind crane games in the future. You have to spend your whole weekend and thousands of dollars just to feed your family.