Europe's experiment with multiculturalism, or the side-by-side existence of different cultures, has failed throughout the continent. Integration requires a minimum basis of shared values, that is, a culture of mutual tolerance and respect - in other words, what constitutes the heart of European culture.
The trade of the petty usurer is hated with most reason: it makes a profit from currency itself, instead of making it from the process which currency was meant to serve. Their common characteristic is obviously their sordid avarice.