Typical paper cups that are used to serve coffee produce massively more plastic particles and they are more toxic. One cup per year exceeds what whole year of coffee maker plastic releases..

plastic coffee maker: 7-20 particles

paper cup : 25000 particles

https://getplasticproof.com/blog/does-coffee-have-microplast...

https://sifts.co/blogs/microplastics/microplastics-and-coffe...

https://sprudge.com/hot-to-go-which-type-of-coffee-has-the-m...