Well...
Neither are true.
Many hurricanes have their origins in what are called tropical or easterly waves that occur when a patch of hot air pushes off of the Sahara and out over the Atlantic. This will create a low pressure zone over the water as moisture begins to rise. In turn, air toward the top of the zone will be turned to the right as it approaches (because it is rising), and then to the left as it passes the zone (because it is descending). Depending upon the amplitude (how far north and then how far south) this "wave" is causing the air to move, there exists the possibility that thunderstorms will develop. This will cause local instability in the air, and may serve to close off (make circular) the circulation in the area--a tropical depression has been borne, and we're off to the races.
But these storms also originate over the Caribbean and Gulf out of patches of disturbed weather, particularly early and late in the season, and have nothing to do with Africa.
Now, Australia. Hate to disappoint the dear guy, but...
A fairly common feature.
I think for me it is a matter like using computers.. I need to know what button to push to get the desired results.. I have no deep need to understand all the "under workings" ... same with weahter.. I am more a cause/effect person.. w/o needing to know all the ittu bitty details. (okay, maybe I am lazy)