Dysfunctional generalities

In trying to analyze complex scenarios or propose solutions, clear thinking and suspending judgment is required. Consider the following:

• Look for the use of "should" and "should not." These usually result in 'moralizing' and 'put downs'. Set, define or propose goals that are tangible (use the SMART format).
  
• "We need to think this thru." Replace with observations of what did not work and call for a meeting of stakeholders to further brainstorm and generate proposals.
• Use of the words "always" and "never." List what's 'in' and what's 'out'. List what it 'is' and what it 'is not'.
• Claims that cannot be substantiated. If it is a hunch, say so. Nothing wrong in making educated guesses.
  
• Events that cannot be reproduced. Acknowledge that it might be a freak event, something to look out for.
  
• Boundary conditions and exceptions. Treat them for what they are.
  

What examples have you seen of dysfunctional generalities?