You aren’t wrong, but we need to be careful when applying typical market economics to the labor market. It has its own field of study specifically because some of these relationships/intersections breakdown in the employee-employer relationship.

A classic example is the lack of perfect information in the labor market like you see in a commodities market. A more specific example is the wage-fixing scandal that hit tech companies [1]. In this case, the companies used their market power and unified to lower worker wages and stop them from crossing the street for more pay.

[1] https://www.cnet.com/news/google-adobe-apple-intel-settle-wa...