A bootstrapped Uber-like company can't survive the entry of a funded Uber-like company in that local market, as their expected initial promotional campaign and

A bootstrapped Uber-like company can't survive the entry of a funded Uber-like company in that local market, as their expected initial promotional campaign and discounts will have you running at a loss for months which you can't afford unless you have substantial cash reserves. This particular example (prolonged "dumping" of services far below cost in the business of taxi-like-services) is what we've seen in practice a bunch of times in many cities as there have been multiple 'waves' of richly funded new entrants trying to come in.