Agreed, and the part that may be difficult for a non-native speaker to get is what other words would give the same meaning but seem less confrontational: e.g. "

Agreed, and the part that may be difficult for a non-native speaker to get is what other words would give the same meaning but seem less confrontational: e.g. "Yes, that's the intent..." conveys the same meaning but with a milder tone. I think with "point" there's the suggestion of "You missed the point," which is an insult.