it's not really any more evil than a lion eating a gazelle, it's just their nature. As a society we need to make sure that our representatives in government are beholden to the interests of the people instead of the interests of the corporations, if we allow those who serve corporate interests over those of the people to stay in office then we have no one to blame but ourselves.
While no till farming is bad for many reasons it also has many benefits. It is both good and bad, it has a lot of advantages over previous paradigms. That's why farmers choose it.