Foreword
Critique requires an investment.
This investment certainly comes from the person who provides the critique; he has an obligation upon accepting the request to provide you with an ability to act and/or react to his input. (There is a bit of beauty here in that you get to decide how to act and/or react to his input, and that can be to do nothing with it. You should, of course, be prepared to explain why you did nothing with it.)
Your investment (and your responsibility), however, is much, much greater. It is you who are obligated to set up your audience to provide you the critique that you want and need through a structured request. It is you who needs to provide people a proper context—the scope and goals for the critique—to set the proper expectations and to frame the critique that allow you to explore possible improvements.
This might sound simple enough; however, the reality is that most people don’t operate under any formal rules of critique. Instead, a lot of times designs are shared over email, through project management software or other design-sharing services, in chat, or through other rather narrow communication channels. Reactions and responses turn up in Reply All bullet points, fragments of disjointed and combined discussion threads, and even worse, piecemeal over a period of time.
Indeed, hell can be other people.
In many cases, we’re to blame.
Designers have to not only respond and react, they also have to try to organize and coordinate discussions, thoughts, and ...