Finding problems and proposing solutions are different activities and it's in everybody's interest that we don't bind the former to the latter. Let the people

Finding problems and proposing solutions are different activities and it's in everybody's interest that we don't bind the former to the latter. Let the people who see the problems describe them, even if they don't propose solutions. When somebody does both, try to separate one thing from the other because usually the problem is valid but the solution is wrong (see Marx).