I don't know if what you found on some blog or article is the correct assessment of the first 3 statements when asking questions about homework.

Dismissive yes. The whole angle about some deeper meaning about how they feel about you, probably not.

I don't know why they couldn't lend an extra few moments to try and study together with you, which would have seemed more appropriate, but they didn't. Do you need a tutor? Is this place cutthroat with competition?