Earlier quoted context omitted.
Then Czech Republic must be an exception in the EU - pretty much every other country that I lived in worked on the simple principle of "you are a citizen/resident = you are entitled to care". Even if you didn't make any payments ever(due to lack of a job, or being homeless or disabled for example) you would still be 100% covered.
Not the case for Poland either. If one is not employed and not registered as unemployed (authorities are doing all they can to keep the official unemployment statistics low), one has to proactively subscribe to "voluntary health insurance". In case one doesn't - pronto! one has no healthcare insurance. Of course, the constitution guarantees the healthcare, free-universal-healthcare blah blah - good luck suing everyon…
In Germany free-lancers face issue, they need to get their insurance somewhere. But thay have to get, there is no such thing as uninsured German resident.