But all that is the natural and inevitable consequence of capitalism. It's baked into the structure of the system.
Unfortunately "capitalism" is a pretty ill-defined term. I wouldn't include "rent-seeking" as a characteristic of "capitalism" but apparently you do.
This makes it very difficult to have coherent discussions. For what it is worth, I think "rent-seeking" is probably a characteristic of all economic systems and therefore isn't something peculiar to "capitalism" and so shouldn't be used as a criticism of "capitalism".
According to what theory?
https://en.wikipedia.org/wiki/Rent-seeking fits squarely into capitalism.