she conflates passion with external signals like
"spending a lot of time on personal projects"
Job interviewers fear being mislead by people telling them what they want to hear, so they will often look for provable actions and demonstrable knowledge, rather than claims.
If someone tells me they're passionate about embedded electronics, I'll ask what they've worked with - arduino?
raspberry pi? esp8266? atmel? pic? mbed? - and what they've done with it.
If they haven't used any of them, or they've barely used them, are they really passionate?