Software has a tendency to centralize more than plumbing because 1 plumber can only plumb 1 building, but 1 SWE can write code used by billions. Then you accoun

Software has a tendency to centralize more than plumbing because 1 plumber can only plumb 1 building, but 1 SWE can write code used by billions. Then you account for efficiencies of scale that generally make it easier for a big business to out compete a small business (e.g. data center costs; in the very extreme case you might think that having enough resources to build custom chips like TPUs falls into this category) and you end up with tech dominated by a few large companies, i.e. basically the situation we have today.