This is quite exciting in that it removes plastic waste. I see no reason why different companies can’t make different shape ones to maintain their lock-in. I expect a knock-off market to pop-up, but that exists with plastic pods too. It’s a step in the right direction at least.
Never had coffee in my entire life and feel like I’m the least tired person of my social circle. Caffeine is definitely not a must. It only becomes one once you consume it regularly.