Only if it's at an extreme. I have heard of interns saying they didn't want to work at company X because every interviewer was over the age of 30. I've also he

Only if it's at an extreme. I have heard of interns saying they didn't want to work at company X because every interviewer was over the age of 30. I've also heard people complaining about not seeing a single woman or any person of color. I strongly advocate representing diversity in the interview loop: Include a recent college hire, a senior dev, an ethnic person, and a woman. Or maybe just have all interviewers be brogrammer--each company can shape their own talent pool demographics.