I don't think "go with the market leader" is a viable strategy, since I'm sure we can all find examples of the market leader being upended.. So the real moral

I don't think "go with the market leader" is a viable strategy, since I'm sure we can all find examples of the market leader being upended.. So the real moral of the story is "Don't base your livelyhood on proprietary software because companies WILL go out of business and leave you in the lurch."