Ok, but real coffee drinkers don't use paper cups ...

They do when they are at work. People don't carry a tumbler when they go to the movies. There are starbuck's what do you call groupies and alike. The pods produce a lot of micro plastic too.

Years ago I looked for all stainless coffee maker and even the most expensive ones had plastic parts. The drip mechanism for all of them had plastic parts. I don't know if they have changed or not.

Nope! The number of jokes I get at the office coffee machine (well the nespresso next to it) with my shot glass, you wouldn't believe. btw anyone tried the seaweed sphere capsules? :-)

Never had heard seaweed capsules.. neat

https://www.youtube.com/watch?v=LvktnHozAj4&t=71s

I'm sure a lot of workplaces have a kitchen with an assortment of random mugs. Maybe this is true at a construction site, but nowhere I've ever worked lacked non-paper cups.

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