Sorry About Your Startup

"Then don’t put it online. We love you, but we’ve heard it already."

I don't come across much unheard of articles on the internet as it is. Why so critical of this subsection of articles that you're going as far as telling them not to put their stuff online?

Read it like what it is - a blog article. Its not a technical paper or a journal submission that should be rejected on grounds of incorrect assumptions/conclusions, error in experimenting or something that's previously done.

"Next time hire an accountant."

They were disrupting the IRS!