The main point here seems to be that the failure to build a SaaS product is blamed in part on the compounding technical debt incurred due to a fast-moving software ecosystem and the effort involved in keeping up. The point I think most people should consider instead, is that building an app is not the same thing as building a business. Building the app is comparably easy, once you've proven that you understand the ma…
I dunno, I don't know anything about self-driving cars, but when the people making self-driving car SaaS say the software part is difficult I tend to be inclined to believe them.
Even if these sorts of entrepreneurship cliches are true in most cases, I don't think it's a good idea to use them to write people off without doing any critical thinking.