I'm not conflating them and it's still a silly way to frame the question. If you want to ask someone why they wrote something in language X, just ask them that.
You're being pedantic; natural language is contextual for better or worse. Anyway, asking "Why did you use Java", is likely to be interpreted as a slight against the language and thus be downvoted (indeed, his politely phrased question was even downvoted when I saw it!).
