If you really don’t know why you’re not paid more, then you OWE it to yourself to read up on a concept called marginal utility.
It explains why something as useful and important as water is basically free, while something as superficial and very narrowly useful like diamonds are expensive.
It explains why important jobs like teachers and nurses are relatively low paid compared to professional athletes.
It basically explains all of the price disparities between different goods, services, wages and everything else that you might be so confounded by.
Understanding how markets work is vital if you’re going to criticize them. Otherwise, your critique is just a complaint.