[themoonbus]

"at least when you're a software dev and presumably paid enough to actually have free time"

...or you know, don't have family obligations.

I do agree to some extent with what you're saying, but as others have stated, it should be one of many factors taken into consideration, and it depends on the culture the company is trying to foster.

I personally have looked at github profiles of people I'm interviewing, if they chose to share it with me.