You have a meeting that was scheduled at work. You don't know what the meeting is for. You are frustrated because your department often has long meetings that seem unimportant to you. You ask a coworker who's a close friend of yours:
What's the point of this meeting anyway?
"The point" of something is the reason for doing it. But this word is often used in the negative sense: "what's the point?", "there's no point", "I don't see the point", etc.
When you ask "what's the point of ___?" it's usually a criticism and can sound negative. So you should use it when you are angry and annoyed about something. Depending on your personality, you may not want to show people that you're angry unless you're close to them.
A more polite way to ask this question would be:
"What's this meeting about?"
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