parasitical

Could you explain what you mean when you say these marketplaces tend to get parasitical?

If the government is to be anything than a long-term host for parasitical companies, the idea is to have the companies turn around.

The US federal government is largely to blame for the continued parasitical rent seeking of the high finance class.

It's parasitical - you don't kill the host, only take what it can afford to give, repeatedly.

Americans in productive industries are spending probably near half their work week producing to pay for government connected parasitical industries.

In a strict, mathematical sense, the OP probably exaggerated when saying they are entirely parasitical.

Rentiers (there's a term you can look up on Wikipedia for lots more) as a class are parasitical on actual producers.

Uhm, well, the financial industry isn't parasitical and evil nor does it have interests that are distant or hostile to human goals.

Huffington Post sale) was created by parasitical leveraging of user's ignorance & goodwill.

In many cases it's a beneficial symbiosis - and in others a spiritually parasitical one - between the 'host' religion and the 'client' believer.

CL and Google seem to be trying to prevent what I would call parasitical bottom feeding businesses from leveraging their service.

Of all human institutions, these seem the most parasitical and dangerous.

The author is saying that all corporations are "parasitical" and even "evil", for humans that is.

I'm not saying "all finance is parasitical!" or anything puritan/socialist like that, it's just always struck me as odd.

"Of all human institutions, these seem the most parasitical and dangerous." What of those institutions that wage wars and actually people killed?

These marketplaces start out as facilitators in the market to bring more efficiency and vibrancy, increase overall transaction volume and value but over time they tend to get parasitical and feed off every "host" they could infect.