The point I'm trying to make is that while I'm sure you could make an XML-based DSL that does its job, I don't think anyone would enjoy using it over an alterna

The point I'm trying to make is that while I'm sure you could make an XML-based DSL that does its job, I don't think anyone would enjoy using it over an alternate way of implementing the language. Thus, being forced to program in it would drive them insane.