Anyway, based on what he writes I can tell he is very passionate about what he does. However, I couldn't see myself trying to create a company to do something like that. The reason is because the problem he is trying to solve is not intrinsically interesting to me. This is not to say it isn't important or doesn't have value, but it's not something I'd care to spend most of my time on. And when one is trying to get one's business off the ground, especially when it entails a good deal of software development, one must be willing to spend most of one's time on it. There is just too much competition, especially from companies with very deep pockets. If they sense there is a market to be served, they'll easily jump in and steal your market share. (You may get lucky and they'll buy you, but you still have to put in enough effort to create a business that someone would be willing to buy.) Also, in this type of business, there is a lot that could go wrong, despite the best of intentions. There are a whole lot of potential pitfalls due to unexpected corner cases, unreliable ISP service, etc.
In case you're wondering why I wouldn't want to do something like create a crawler firewall, but spend a fair amount of time repeatedly playing the same measures from a piano piece, or repeatedly practicing a dance pattern, it's because even though those activities may seem boring I derive value from the end results. However, as I wrote some time ago, I'm not passionate about either of those – not to the extent that I would spend most of my time on any one of them. I try to spend equal time on several activities, or if that's not possible, enough time to meet the goals I've set for each. But with regards to dancing, I don't dance much; perhaps once a week outside of my lesson, and I'm starting to think that after the showcase I won't sign up for any more lessons for a few months. It seems as if dancing is a luxury I can't really afford right now, financially or timewise. When I'm more actively involved in dancing it feeds on itself and I want to be even more involved, but it just seems like it will go on the back burner in the immediate future.