I can understand the idea of people not wanting to talk about their financial situations....but is that simply based on the fact they think every person will ask them for money or try to steal it?

Can we go a bit deeper & ask...if someone knows my income...will they judge me? Is that what their worried about?

Another avenue might be coming from the authorities that are above at work. Are we expected to be quiet about our income for fear of losing it. Or that authorities above make the rules.

We talk about taxes...we give advice on investments, but we keep this number so closely guarded to our chest. Are we worried about big brother? The government? When did this change occur?