I don't understand your example here, that's not going to compile.

variableDefinedInAFarAwayModule is definitionally type int and will not be cast. It is also unpublished, so you couldn't be using it for a faraway module?

Your 17 in the previous example has it's typed determined at compile time which is why it can be a problem.

see: https://go.dev/play/p/jEdAhKDeLy6