In my reading of interview feedback, too many interviewers don't understand that the candidate shouldn't be expected to pull a perfrect solution right out of th

In my reading of interview feedback, too many interviewers don't understand that the candidate shouldn't be expected to pull a perfrect solution right out of the air. Often too much criticism is feedback is placed on the fact that the candidate went through three or so iterations and too much emphasis is placed upon the fact that the candidate's initial solution was quadratic or worse. This really should reflect strong analytical thinking.