Etiquette for When You Are Invited to a Meeting

In meetings that I facilitate, I always end by asking a very abstract question: "Do you have any questions?"

This is a question meant to gauge the audience's level of engagement.

I judge those who answer "No" (or who remain unresponsive) as either having no interest in the conversation or having been unable to follow the content, and I consider how to handle them next time.

People who ask questions immediately, before I have even finished saying "Do you have any questions?"—especially those who ask multiple questions—are usually taking notes. Furthermore, I find it somewhat modest that they save those questions until the very end of the conversation.

Some people share their own thoughts or reflections.
Well, that's not bad, but I wouldn't give them a passing grade for that.

Surprisingly, many people answer "I don't have any in particular" after some hesitation. When I get that reaction, I feel a bit disappointed. Among those words, the "in particular" part is what bothers me the most.

This "I don't have any in particular" is taken to mean "I don't have anything worth asking about." In other words, it is tantamount to declaring, "There was nothing worth noting in our conversation today."

Even if they truly had no questions (meaning the facilitator conducted the meeting wonderfully), I believe the recipient should refrain by highlighting a part of the conversation. It would be even better if they could summarize the meeting points.

I am ill-mannered, so I interrupt conversations to ask questions left and right. I am the type who lacks even a shred of modesty. However, those questions are often just course corrections disguised as questions.

I believe that is the correct way to have a discussion.
The goal should be to reach a consensus that both parties can agree on within the allotted time, while correcting any discrepancies in each other's understanding along the way.