Vampires

 The conversion of Vlad Dracula to from the Eastern Orthodox church to Western Catholicism gave rise to the legend of converts to the Western school of thought becoming Vampires.
But one thing appears to be true - one should never invite a Vampire into his home.

 Maybe this was the mistake made by African nations.
Maybe they were too willing to offer those with such tendencies accommodations.

 Maybe Native Americans should have never celebrated the first Thanksgiving with those bent on 'conquering' them.

Maybe Hawaii's King Kam or the Australian Aborigines never should have given up their ways to those trained in a aspirational and acquisitive way of life.
Maybe they would have been better off retaining their old sustainable ways of life.

In today's Vampire movies - the Vampires are always well dressed, prosperous and cool.
Their lifestyle is sold as one to be emulated.
In today's popular culture - blood sucking bankers are portrayed as well dressed, prosperous and cool.
(Never let a Vampire into your house.)