You may be just making, but if you're making a good solution, does it in any way devalue it if you're not passionate about it?
Now if you're an early stage startup, you're putting together a team, then yes, of course you absolutely need someone who lives and breathes dev and loves every minute of it - but it's not as much about the quality of the code as it is about how that person will positively impact the overall company culture.
But majority of dev jobs ... little more than 9-5 code churning.