I think requiring someone to swear to tell the truth is more a way to nail someone for perjury later than it is to make them tell the truth. It's like those imm

I think requiring someone to swear to tell the truth is more a way to nail someone for perjury later than it is to make them tell the truth. It's like those immigration forms where they ask you if you have ever performed an act of terror (or somesuch). Nobody in their right mind is going to check the YES box, but if they find out later that you lied, it's much easier to charge you and jail or deport you.