It's actually more like the business part of HN or IndieHackers presented with Lobsters-style (eg tagging) and focus on bootstrapping. Bootstrappers are new businesses that are built on their founders' cash. Usually savings or loans that they will owe back. They have to grow in a way that brings in money, not just users, with a focus on long-term sustainability. So, pushcx made a site that's dedicated to them.
He talked about VC vs bootstrapping here from a cultural perspective of Bay Area vs Chicago (his home):