usually when the leftists say that the production of added value is the exploitation of the worker, the counter-argument to that is that the added value ending up in the investors' pockets is the price for the risk of investing capital. while the argument is good, i think an even better argument is this. the workers specifically do the easiest job of all in the manufacturing chain of a new innovation. researchers study how the new technology works and it requires mastery of mathematics and physics, the complexity of which these workers can never even comprehend. testing whether the technology works in practice and thinking about what might have gone wrong. then the workers do nothing but assemble the technology based on ready-made instructions. in my opinion, designing something completely new is more difficult than assembling something new based on ready-made instructions.
anyone can assemble a product according to the instructions, but not just anyone can design a completely new functional product. that's why those with higher education should get a good salary, and the workers should get less salary. it is fair and most importantly, it encourages people to further their education, which leads to the population becoming smarter and thus to the further development of society.