Humans generally don’t want to interact with needles while waiting to get their coffee. Needles are pointy and can poke you.

how could we trust them selecting the people who has much more power than that

Who else is there to trust but us humans?

humans can’t decide for themselves over insignificant phone charger

Individual humans don’t have the ability to choose their phone based on their preferred charger. Each purchase is made between one buyer with fairly limited funds and few large corporations with extensive funds.