Being a big company may help in a lot of ways: easier/cheaper to re-use existing expertise, ability to make a larger number of speculative investments, often gr

Being a big company may help in a lot of ways: easier/cheaper to re-use existing expertise, ability to make a larger number of speculative investments, often greater brand awareness, ability to sell products to an existing customer base, and others. It doesn't help nearly as much to overcome fundamentally unattractive unit economics (unless scale can make them later become attractive).