Because most want to get paid, not to pay for the tools they use.

Exactly, there is some cognitive dissonance going on.

It's because obviously the shit I need to get my shit done should be open source or free by now, sheesh it's 2018 not in the dark ages however of course the serious business need I am fulfilling is novel and very deserving of a good chunk of cash.

To put it more concisely: Everybody wants to commoditize their complements.

The content of the link is FUD. He portrays FOSS as if it was like the exploitation schemes the ad supported free stuff, saying: "But in a world where everything is free, we are the product."

I did downvote him, although I'd not disagree with him (or anyone else) preferring to produce closed-source software. He could've justified himself w/o telling lies about the other side.