There is risk of selection bias here. The companies that runs into [[whatever]] are the ones that made it far enough to have run into it. What you're not seeing

There is risk of selection bias here. The companies that runs into [[whatever]] are the ones that made it far enough to have run into it. What you're not seeing are all the companies that tried to do what google does at scale, built a complex code base that doesn't serve it's customers needs and can innovate fast enough and are now dead.