Success in business does not necessary depends on innovation. Many other factors do play a part.
Some are blinded by those successful companies that became successful through innovation, and form a false perception that innovation is the key to success,
If anyone is willing to do some research, they will find that there are some highly successful businesses that did not depend on innovation but many other factors.
Even those who build a site, have adsense is not easy. Many factors come to play.