their plan is to exterminate us
Not completely. Fundamentally, machines are also robots and how they have increasingly dominated agrarian countries even since the beginning of the last century. The question is whether farm workers stop working? The answer is no. This statistic will probably prove that you won't lose your opportunity: "85% Of Jobs That Will Exist In 2030 Haven't Been Invented Yet"
A small example, 20 years ago you probably never imagined that there were opportunities for earning activities such as youtuber, advertising design, and other freelance work. Then it will also happen in the future. You just need to adapt to it.
The purpose of technology is to facilitate human work either repetitively or administratively, that's all.