I see your point. So the question is actually whether a language designer can only care his "types"---those who have similar thinking habit and thus has less d

I see your point. So the question is actually whether a language designer can only care his "types"---those who have similar thinking habit and thus has less difficulty to understand the code---or should target at larger audiences. Ultimately that's the choice of the designer; not all languages need to address to the broad range of programmers.