The problem with your view is that if you don't have a plan on how a product will generate revenue that you are effectively taking a huge gamble that may not pay off. So you'll be 'successful' by your definition while filing for chapter 11, something that Mozilla is flirting with in the medium term if they pursue this route.
Only companies with very deep pockets can pursue bets like that, and even then it could hurt. Microsoft Xbox' story is a good example of a bet that worked out, there are many examples of such bets not working out, quite a few of them killing the companies that made the bets.