(Author of the post here) I think the key point is that even bad businesses take time and effort to create!
The distinction is between "low-hanging fruit" ideas ("Let's start a cafe!" "Let's start a WordPress theme business") and "high-value, high effort" ideas ("It's 2003. Let's build VoIP software.").
The distinction is between "low-hanging fruit" ideas ("Let's start a cafe!" "Let's start a WordPress theme business") and "high-value, high effort" ideas ("It's 2003. Let's build VoIP software.").