I do not believe that the future forks of Bitcoin can generate any currency of value. They are just a tool to further strengthen the price of Bitcoin. However it ends up disrupting the market.
Fork has actually good benefit, it helps to make bitcoin fix bugs and errors. Thus, it stabilizes bitcoin's system. Bitcoin is ever changing and fork is one mean of making things okay. We have encountered forks from the past and expected to see more. What's just good about it is that we see that bitcoin is continually developing and no one can compete over it even the coins that split. Leta just look on the good side fork is offering like free generated coins.