With a sufficiently complicated system involving sufficient capex to get started, you can avoid having to compete with anyone but the companies who started arou

With a sufficiently complicated system involving sufficient capex to get started, you can avoid having to compete with anyone but the companies who started around the same time as you, at least for several years. Startups try to build network effects into their products to build this up - many businesses invest lots in physical infrastructure. You might not be able to get away with charging twice what a taxi used to cost, but you can certainly make a very healthy margin, and healthier still as you buy up competitors.