“The system” can be valid in areas of the world with highly developed systems. US public school system for example is a valid system to shake your fist at if you’d gone there. But maybe not every school system would be valid to shake your fist at, if it’s underdeveloped or not powerful enough.
Example of valid: In the USA, the “school to prison” pipeline is a known thing. https://en.wikipedia.org/wiki/School-to-prison_pipeline