Everyone is entitled to his own opinion, but not his own facts.— Daniel Patrick Moynihan
When engaging in exchanges about complex topics like cost, schedule, and technical performance management, I always get a smile when someone says oh that problem can be solved with this simple approach. Or I bet that organization has no motivation what so every to solve the problem.
Then the next quote is applicable...
For every complex problem there is an answer that is clear, simple, and wrong. — H. L. Mencken
Solving complex problems is hard, stating there are simple solutions without having worked on complex problems is easy.