Yes, I disagree with all your points.

Let's go back to the web server for a moment.

In 2016, IIS had a 30% market share. Now it's 6%. Why?

Because it's an awful product.

Even Apache, a twenty-five year old program, is more stable and less consumptive of resources and is widely understood and of course free.

Nginix is new, clean code, and outperforms IIS and Apache.

That's why together they have ten times the market share of IIS.

Your article is full of phrases insulting open source software, and unsupported claims, like, "Open source software are known to be very insecure and not trustworthy."

You don't explain why huge companies like Google and Facebook and even Apple spend a huge amount of money supporting open source.

You haven't spent one minute thinking about why someone might rationally want to contribute to open source software, or why in many areas it has taken over the market.