Rent seeking is jargon. It doesn't refer to running a business.
https://en.wikipedia.org/wiki/Rent-seeking
https://en.wikipedia.org/wiki/Economic_rent
It refers to the economic consequences of things like regulatory capture and corruption.
https://en.wikipedia.org/wiki/Rent-seeking
https://en.wikipedia.org/wiki/Economic_rent
It refers to the economic consequences of things like regulatory capture and corruption.
So MichaelBurge is making a valid critique of the original article, whether or not the article was correct in using the term "rent seeking"