For people saying "it's fine", they are probably not talking about the same thing
I assume you mean this monstrosity:
https://en.m.wikipedia.org/wiki/Coffee_percolator
Which is indeed a crime against humanity. My parents used one and kept me from realizing that coffee is delicious until I was 18 years old or so.
The other people probably mean this simple yet effective device:
https://en.m.wikipedia.org/wiki/Moka_pot
Especially the comment about 60 million Italians.
The moka pot is great and I use it to make my own latte every day.