Seems rather silly to say not to build a java application. Surely what matters is what the application does. If your idea will fail purely because of being

Seems rather silly to say not to build a java application. Surely what matters is what the application does. If your idea will fail purely because of being implemented in Java then I think it must have some other rather serious issues with it. I can only think here he means some specific unstated context, but it sounds rather naive and ignorant as written.