No in most peerage systems “knight” is an honorary title which is granted for service usually military. Hereditary titles like baron, viscount, earl, duke, etc are passed on to the nobles heirs. You are the one who needs to stop watching hollywood movies before claiming others do.
As far as tournaments go they are a part of Medieval warfare, melees and mock battles were often held in the camps of gathering armies as they prepared for war. Maybe not so much past the 14th century, but if you look at the hundred years war you can find examples plus there was the pas d’armes which could be random encounters.
