You are assuming that all Australian and British 'citizens' are...

You are assuming that all Australian and British 'citizens' are friends of the USA. Where do the recent 'British' citizens (of Pakisatani extraction), who have been recently arrested by the police in London, fit into their description as British citizens.

If you have nothinG to hide whY should object to being fingerprinting if, in the long run, it leads to safer trAvel? Only those with criminal intent would object.