Could you topple a publishing empire with a single book or two?

So I came up with an idea that beats out another idea that somebody else has come up with. My idea is much better and I thought I could drive his business to shreds if I make it on the writing domain and become a major publisher myself. He is worth more money than a surgeon but I think I could displace him by being better than him at his own game. The details are secret.

Could you topple a publishing empire with a single book or two?
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