Exactly this. If you do not have a problem or product you are passionate about, then just work for someone else who is able to generate much better value out of your time.
Read earlyretirementextreme or mrmoneymustache to see how you can get out of the rat race as fast as possible, and get back into doing startups (if that's what is exciting to you)
Perfectly agree with that. And that's exactly what I'm doing so far: working for someone could be useful for improve yourself not only in what you'd like to do: side projects will benefit from this, believe me. I noticed improvements event in terms of analysis of problem solving.
Read earlyretirementextreme or mrmoneymustache to see how you can get out of the rat race as fast as possible, and get back into doing startups (if that's what is exciting to you)