Let the guy stay.
Variety of posters is what makes this forum kind of fun.
If you don't like his posts, they are easy enough to ignore or debunk.
Since Australia is one of the non-Euro nations that can claim being a cycling powerhouse, it is good that they have a passionate representative on this forum.
He might be delusional, biased, bored enough to post nearly every day, and clearly a lover of his countryman, but he will have less to post about now that Evans is out of the rainbow and is most likely past his prime as a GC contender.