Originally Posted by
matrixwalker2012
All the airline should do is if they doubt my docs are legit to let me assume the risk of being sent back, that's all. All they should do is advise, not try to prevent me from traveling.
No. The airline is responsible for the passengers they bring in a country. If you are sent back at destination, because you don't have valid documents, the airline will get a hefty fine and is also responsible for taking you back to your point of departure.
So, yes, they will prevent you from travelling if you do not have the documents. It is not only your risk.
That said, they should of course know the rules and not prevent you from travelling if you do have the right docs.