Here in Italy the big issue is that many business will just not declare cash transactions. It's pretty common not to be given a receipt when buying a coffee and often when you visit a doctor they'll say: do you want the invoice or a discount? A couple of friends got married recently and I found out they paid over half of what the owed in cash to get pretty decent discount. So before we talk privacy and company let's…
So what is it then that makes this kind of fraud common in Southern Europe but practically nonexistent in Germany? (judging from my experience)
There are two stable equilibrium points in a society, one where most people play by the rules most of the time and one where most people ignore the rules most of the time. It's quite difficult to shift from the latter to the former; it seems to be historically associated with Protestantism, which itself could be seen as a movement to ""clean up"" religion from corruption.