"Interviewees are often told to use “I” to get credit for work done, but “we” is probably a more realistic depiction of how work gets done."
I've had too many candidates talk about "we" and the general project, or what the team they were on did. But when I try to get at what they specifically did I get nothing. Sure we need team players, but not just cheerleaders. Take credit for your work!
The weirdest was one guy who I could tell probably did a lot of good stuff but wouldn't say so. It was like he was coached to always talk about the "we".