If you feel like most meetings are a waste of time, you are not alone. But I would bet that you are working in a large organization.
If you are the CEO of the company, you should teach everybody to follow some simple rules to make meetings effective!
The issue with meetings are not that they are intrinsically bad, it is just that they are badly prepared.
As a result, most meetings are spent updating the participants on the state of things, explaining the issue or discussing what comes to mind rather than staying on point to find a solution to a very specifically-defined problem.
An issue has been detected in the onboarding mechanism of your product. This needs to be fixed as soon as possible.
You decide to set up a meeting to come up with a solution.
How should you go about it?