The most important active step you can take to cultivate your curiosity is probably to seek out the topics that engage it. Few adults are equally curious about everything, and it doesn't seem as if you can choose which topics interest you. So it's up to you to
If you don’t learn anything in the interview, that’s bad. If you are bored in the interview, that’s really bad. A good interview should feel like a conversation, not questions and responses.
@mckaywrigley I have a bunch of questions I ask. What would you build for yourself? What did previous companies you've worked for need? What are you an expert in? What have you noticed recently that seemed broken? If you were going to build something just for fun, what would it be?