Okay now you’re being a bit ridiculous, the precise reason I say 5 fingers isn’t strictly necessary is because I have experience working at workshops with people with missing digits. Hell, if you’ve ever had broken fingers for a any long periods of time, you would also be able to get used to making do with two of them stuck together (effectively giving you just 4 fingers, I would know). Even the discomfort you’re alleging to is completely pointless, because while yes our tools are made to feel comfortable with 5 fingers, with some slight adjustment, we can use them just as efficiently with less. This has nothing to do with robotics, because unlike humans, they aren’t “used to” having any number of fingers, so it makes no difference to them whether they have 5, 4, or 3, Boston dynamics knows this well enough that their robot arms have just 3 claws, and that’s still capable of practically any basic manual task. I am not saying humans don’t need 5 fingers (It certainly helps), I’m saying robots do not need them, and especially for the kind of job shown in the video.