Because 40 years ago people were convinced it would be popular one day. And 30 years there was roughly the same percentage of highly convinced, vocal people who thought so. And 20 years ago same thing. 10 years ago ditto.<p>I mean, what is going to take? 10 more years? 20? At what do you conclude that a language really isn&#x27;t useful for general purpose programming? (not to say it isn&#x27;t brilliant and useful for specific purposes, learning, etc.)