The Dons of Spain

http://members.ozemail.com.au/~natinfo@ozemail.com.au/lawson/donsofspain.htm

Please i don't understand this poetry.
Básicamente lo que quiero saber es si Henry Lawson está criticando o no a los Dons?
Thanks

It will depend on your viewpoint and your worldview, but the last line is the clue, I think.

Of course not, this poem is a panegyric in favour of the Dons.