I find compiler error messages give an insight into how they work, the order of their processing things like that which can be especially useful when they are c

I find compiler error messages give an insight into how they work, the order of their processing things like that which can be especially useful when they are closed source. In general error messages give away alot about the programmer(s) knowledge and abilities, it can give you an insight into if defensive programming methods have been used and other things like that.