Could you recommend another article with a better breakdown of Linux spending by LF? It's not exactly a popular or risk-free topic for tech journalists, since many tech companies sponsor LF projects.
It's the same kind of unsourced low-information content focused on personal grievances that you would find in an angry twitter or 4chan comment. It's just intellectually lazy and bad writing, this person is smart enough not to do it but does it anyway. If you need me to explain why this is undesirable, then we probably don't have much else to talk about.