Nespresso machines hide the coffee inside plastic capsules. Why?

1. You don’t know what coffee you get, you cannot really vary the coffee anymore and maybe try a different local one (where I live we have local coffee). Then you don’t even know if it’s just 100% coffee or they add something else

2. Why consuming plastic for a simple thing like a coffee? Plastic is NOT recycled in most of the countries and its bad for environment if not properly managed. Burning plastic increase pollution, but leaving it in the nature can take 500 years to dissolve. Why a simple thing like coffe powder, kept in a glass jar, used in a metal coffee mocha, now has to become the new trend to involve plastic? It’s literally the same thing, just worst for the environment.