Among the problems this article ignores is the relatively large fixed cost needed to go from a framework/internal-DSL to a separate "language." Unless you are i

Among the problems this article ignores is the relatively large fixed cost needed to go from a framework/internal-DSL to a separate "language." Unless you are in a situation where lots of people have that same problem, then it actually creates more complexity than it solves to have an separate language to solve the sub problem.