Originally Posted by
YuropFlyer
Pretty simple.. there is no "right" to be admitted into another country, even if you perfectly hold all documents.
True but that is not quite the same issue. An airline will not be fined for allowing a passenger with adequate documentation to board even if that passenger is eventually refused entry. It will be fined, however, if it let somebody through without proper documentation.
The airline can certainly refuse boarding in the latter situation but should not deny boarding in the former one.